CN112885555B - Shifting fork magnetic assembly - Google Patents
Shifting fork magnetic assembly Download PDFInfo
- Publication number
- CN112885555B CN112885555B CN202110058659.2A CN202110058659A CN112885555B CN 112885555 B CN112885555 B CN 112885555B CN 202110058659 A CN202110058659 A CN 202110058659A CN 112885555 B CN112885555 B CN 112885555B
- Authority
- CN
- China
- Prior art keywords
- plastic
- magnet
- groove
- heat dissipation
- coated
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0294—Detection, inspection, magnetic treatment
Abstract
The utility model relates to a shift fork magnetic component, it includes base member and magnet, and the base member includes moulds the magnet package in its inside package mould the portion and connect in the installation department that the portion was moulded to the package, and the package is moulded and is equipped with on the portion outer wall and reserves the constant head tank, reserves the constant head tank and moulds the inside intercommunication of portion with the package. Because have before the package moulds the magnet and fix a position, then can make the initial position of the magnet that the package was moulded and is accomplished accurate, because the magnet is moulded into by the package simultaneously, then in later stage use, be more difficult to appear because of the inaccurate problem of magnet skew and lead to the magnetic field signal that position sensor detected, improved the stability of being connected of magnet and base member.
Description
Technical Field
The application relates to the field of production of shifting fork magnetic assemblies, in particular to a shifting fork magnetic assembly.
Background
The speed variator shifting fork is a part on the automobile gearbox, is connected with a speed change handle, is positioned at the lower end of the handle, shifts a middle speed change wheel to change the input/output speed ratio, and is mainly used for shifting gears of a clutch. The magnetic assembly of the shifting fork is a part which is fixedly connected to the shifting fork in the transmission and provides a magnetic field signal source, and the position sensor arranged on a transmission shell is a part which is used for monitoring the output of a shifting fork magnetic field signal and performing signal conversion in the transmission.
The structure of shift fork mainly includes the base member, installs the magnet on the base member, and magnet and base member move together, change the magnetic field signal of position sensor position, realize control system to the control of shift fork position.
In the related art, the magnet is mainly connected to the base body in a clamping mode, and in the actual use process, the vibration affects the stability of the clamping of the magnet, particularly the position stability, in other words, once the position deviates, the magnetic field signal detected by the position sensor is inaccurate in the follow-up process, and the overall operation is affected.
Disclosure of Invention
In order to improve the stability of being connected of magnet and base member, this application provides a shift fork magnetic component.
The application provides a shift fork magnetic component adopts following technical scheme:
the utility model provides a shift fork magnetic component, includes base member and magnet, the base member includes moulds the magnet package in its inside package mould the portion and connect in the installation department that the portion was moulded to the package, and the package is moulded and is equipped with on the portion outer wall and reserves the constant head tank, reserves the constant head tank and wraps the inside intercommunication of moulding the portion.
By adopting the technical scheme, before plastic coating, an operator positions the magnet by virtue of the positioning block in the mold, and after plastic coating is finished, the contact surface between the magnet and the positioning block on the mold cannot be coated, so that the characteristic of a reserved positioning groove is formed; it should be noted that, because the magnet is positioned before being covered with plastic, the initial position of the covered magnet is accurate, and because the magnet is covered with plastic, the problem that the magnetic field signal detected by the position sensor is inaccurate due to the magnet deviation is not easy to occur in the later use process.
Preferably, the portion of moulding plastics including first plastic-coated body and second plastic-coated body, magnet plastic-coated in first plastic-coated body, reserve the constant head tank and locate on first plastic-coated body, mould in the second plastic-coated body and have the support heat conduction yoke plate, a side butt of magnet in a side of supporting heat conduction yoke plate is equipped with on the second plastic-coated body outer wall and reserves the heat conduction groove.
By adopting the technical scheme, the material of the base body can be selected to be nylon, the plastic-coated temperature of most of materials such as nylon is generally over 250 degrees, taking nylon as an example, the injection temperature during plastic coating is about 280 degrees, and the magnet is demagnetized at about 250 degrees, so that in the plastic-coated process, a refrigerant is often required to be injected into the mold to cool the upper mold and/or the lower mold, and the magnet is directly or indirectly cooled. In this scheme, reserve the heat conduction groove also for fixing a position and keeping after the package is moulded in order to supporting heat conduction yoke plate in the mould, simultaneously, owing to support heat conduction yoke plate and can with the help of this reservation heat conduction groove can with the better contact of mould, have the heat conduction of moulding the package to the characteristics in the mould, consequently, the setting up of supporting heat conduction yoke plate can carry out further heat dissipation to magnet, reduces the influence of the temperature of moulding plastics to the magnet steel performance.
In addition, the existence of the supporting heat-conducting magnetic yoke plate can also enhance the magnetic field intensity in the working area of the magnet and improve the performance of the magnet.
Preferably, the installation portion is provided with an installation hole, the installation hole is internally sleeved with a rigid butt ring, and the outer edges of two ends of the rigid butt ring are both arranged in an outward flanging manner and attached to the side wall of the installation portion.
Through adopting above-mentioned technical scheme, the installation department passes through the mounting hole and accomplishes with the shift fork to be connected, nevertheless because the material of installation department is nylon, and the installation phase easily takes place to warp, leads to the installation unstable, consequently, through install rigidity butt ring additional in the mounting hole, can reduce the probability that the mounting hole warp, improves the installation stability, and metalwork such as stainless steel, copper can be chooseed for use to rigidity butt ring.
Preferably, the plastic-coated part is internally coated with two magnets, the plastic-coated part is provided with two marking areas which are respectively marked with a cathode and an anode, and the two marking areas respectively correspond to the two magnets.
Through adopting above-mentioned technical scheme, through setting up mark district and the sign negative and positive pole in the mark district, can make things convenient for later stage operator to discern the negative and positive pole, do benefit to installation and maintenance.
Preferably, still be equipped with the radiating groove on the outer wall of second plastic body, radiating groove and the inside intercommunication of second plastic body, and the tip of radiating groove extends to second plastic body and is close to first plastic body department.
By adopting the technical scheme, the heat dissipation groove is used for increasing the contact area of the supporting heat-conducting magnetic yoke plate and the mold so as to improve the heat-conducting efficiency of the supporting heat-conducting magnetic yoke plate and indirectly reduce the temperature of the magnet in the plastic coating process; and because the end of the heat dissipation groove extends to the vicinity of the first plastic coating body, the heat of the magnet in the first plastic coating body can be dissipated to the mold more quickly by supporting the heat-conducting magnetic yoke plate.
Preferably, the first plastic packaging body is sleeved with a protective cap, a clamping piece is arranged at a cap opening of the protective cap, and the clamping piece is clamped in the heat dissipation groove.
By adopting the technical scheme, because the magnet is communicated and exposed with the outside through the reserved positioning groove, the exposed part is easy to damage in the later use process, so that the magnetic field of the magnet is changed to influence a magnetic field signal; the protective cap can protect the magnet, and in addition, the heat dissipation groove used for heat dissipation in the plastic coating stage has another function in the installation stage of the protective cap, namely, the clamping piece of the protective cap is clamped in to realize the connection between the protective cap and the first plastic coating body.
Preferably, the inner wall of the protective cap is fixed with a reinforcing rib, the reinforcing rib is positioned in the reserved positioning groove, and the inner wall of the protective cap abuts against the outer wall of the first plastic packaging body.
Through adopting above-mentioned technical scheme, the strengthening rib in this scheme has the effect that improves protective strength of protective cap, and simultaneously, the strengthening rib can be hidden in reserving the constant head tank, plays packing to a certain extent to reserving the constant head tank, and the most important value lies in, can reduce the whole volume of protective cap, makes whole shift fork magnetic component more compact to make things convenient for the motion of shift fork in the clutch box.
Preferably, the second plastic wrapping body is sleeved with an unlocking piece in a clamping manner, an unlocking block is fixed on the unlocking piece, and the unlocking block is positioned in the heat dissipation groove; a linkage piece is connected in the heat dissipation groove in a sliding mode, two opposite side walls of the linkage piece are abutted to the groove walls of the heat dissipation groove respectively, wedge-shaped surfaces are arranged on the linkage piece and the unlocking block respectively, and the wedge-shaped surfaces on the linkage piece are abutted to the wedge-shaped surfaces on the unlocking block; the joint piece is the hemisphere, is fixed with hemispherical jack-up spare on the linkage piece, and the motion path of jack-up spare intersects with the motion path of joint piece in the radiating groove.
By adopting the technical scheme, when an operator presses the unlocking piece, the unlocking piece pushes the linkage piece to move transversely, the jacking piece on the linkage piece passes through the motion path of the clamping piece and jacks the clamping piece in the direction away from the bottom of the heat dissipation groove, and then the operator can easily take the protective cap down from the plastic coating part, and the operation can be implemented under the condition that the operator needs to replace the protective cap with a new one; in addition, the heat dissipation groove which is very critical in the operation is not only the active area of the clamping piece, the linkage piece and the jacking piece, but also the heat dissipation area in the plastic coating stage, and in the process of assembling the protective cap after plastic coating, functional linkage pieces and other features need to be put into the heat dissipation groove, and the features can play a role in filling the heat dissipation groove to improve the supporting strength of the heat dissipation groove.
Preferably, the outer wall of the second plastic packaging body is provided with a guide groove, one end of the guide groove is connected with the notch of the heat dissipation groove, and the motion path of the clamping piece outside the heat dissipation groove is partially overlapped with the guide groove; the groove depth of the guide groove is gradually reduced from one end far away from the heat dissipation groove to one end close to the heat dissipation groove.
By adopting the technical scheme, the arrangement of the guide groove can facilitate the clamping piece to smoothly slide into the heat dissipation groove, and meanwhile, the protective cap has a certain limiting effect, so that the mounting accuracy of the protective cap is improved.
Preferably, first plastic-coated body is equipped with two and every first plastic-coated body is internal all to be moulded a magnet, its characterized in that: a connecting rod is fixedly connected between the two protective caps; the unlocking piece is arranged between the two protective caps and is positioned between the connecting rod and the second plastic packaging body.
Through adopting above-mentioned technical scheme, intensity and wholeness between two protective caps not only can be strengthened to the connecting rod, still can support for the unlocking piece and keep out the collision along unlocking piece direction of motion to reduce the unexpected unblock and lead to the probability that the protective cap is deviate from.
To sum up, this application includes following at least one kind of shift fork magnetic component beneficial technological effect:
1. because the magnet is positioned before plastic coating, the initial position of the plastic coated magnet can be accurate, and meanwhile, because the magnet is coated, the problem that a magnetic field signal detected by a position sensor is inaccurate due to magnet deviation is not easy to occur in the later use process, and the connection stability of the magnet and the base body is improved;
2. in the scheme, the reserved heat conducting grooves are also reserved in the mold for positioning the supporting heat conducting magnetic yoke plate and are reserved after plastic coating, and meanwhile, the supporting heat conducting magnetic yoke plate can be in contact with the mold by virtue of the reserved heat conducting grooves, so that the characteristic of conducting heat coated with plastic into the mold is achieved, and therefore the supporting heat conducting magnetic yoke plate can further dissipate heat of the magnet, and the probability of demagnetization of the magnet is reduced;
3. the protective cap in the scheme can protect the magnet, and the reinforcing ribs in the protective cap are just hidden in the reserved positioning grooves, so that the overall volume of the protective cap can be reduced, the overall shifting fork magnetic component is more compact, and the shifting fork can conveniently move in the clutch box;
4. the heat dissipation groove is not only the active area of the clamping piece, the linkage piece and the jacking piece, but also the heat dissipation area in the plastic coating stage, and in the process of assembling the protective cap after plastic coating, the functional linkage piece and other characteristics need to be put into the heat dissipation groove, and the characteristics can play a role in filling the heat dissipation groove so as to improve the supporting strength of the heat dissipation groove.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present application;
FIG. 2 is a schematic diagram of an exploded structure of the first embodiment of the present application;
FIG. 3 is a schematic view showing an inner structure of the protective cap of FIG. 2;
fig. 4 is a schematic diagram of a partial explosion structure of the second embodiment of the present application.
Description of reference numerals: 1. a magnet; 11. supporting a heat-conducting yoke plate; 2. a plastic-coated part; 21. a first plastic coating body; 211. a marking region; 212. reserving a positioning groove; 22. a second molded body; 221. reserving a heat conduction groove; 222. a heat sink; 223. a guide groove; 3. an installation part; 31. mounting holes; 32. a rigid abutment ring; 4. a protective cap; 41. a clamping piece; 42. reinforcing ribs; 43. a connecting rod; 5. unlocking the lock; 51. unlocking the block; 52. a linkage; 53. and (4) jacking the piece.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a shifting fork magnetic component.
Example 1:
referring to fig. 1 and 2, the shifting fork magnetic assembly comprises a base body and a magnet 1, the base body approximately in a T shape comprises a plastic coated part 2 and a mounting part 3, and the plastic coated part 2 and the mounting part 3 are integrally formed and can be made of nylon materials, but are not limited to the nylon materials; portion 2 is moulded to package includes two first plastic-coated bodies 21 and a second plastic-coated body 22, and first plastic-coated body 21 is located second plastic-coated body 22 and keeps away from one side of installation department 3, and a magnet 1 has all been moulded to the package in every first plastic-coated body 21, and the package has moulded in the second plastic-coated body 22 and has supported heat conduction yoke plate 11, and supports a side looks butt of heat conduction yoke plate 11 and magnet 1.
The plastic-coated part 2 is provided with two marking areas 211 respectively marked with a cathode and an anode, and the two marking areas 211 respectively correspond to the two magnets 1.
Referring to fig. 2, a predetermined positioning groove 212 is formed on an outer wall of the first molding body 21, and the predetermined positioning groove 212 is communicated with the inside of the first molding body 21; the outer wall of the second plastic body 22 is provided with a reserved heat conducting groove 221 and a heat radiating groove 222, and the reserved heat conducting groove 221 and the heat radiating groove 222 are communicated with the inside of the second plastic body 22.
It is worth to be noted that before plastic coating, an operator positions the magnet 1 by means of the positioning block in the mold, and after plastic coating is completed, the contact surface between the magnet 1 and the positioning block on the mold cannot be coated, so that the characteristic of the reserved positioning groove 212 is formed; it should be noted that, because the magnet 1 is positioned before being coated with plastic, the initial position of the coated magnet 1 can be accurate, and because the magnet 1 is coated with plastic, the problem that the magnetic field signal detected by the position sensor is inaccurate due to the deviation of the magnet 1 is less likely to occur in the later use process.
In addition, in the embodiment, the material of the base body is nylon, the temperature of the injected nylon is about 280 ℃ during plastic coating, and the magnet 1 is demagnetized at about 250 ℃, so that in the plastic coating process, a refrigerant is often injected into the mold to cool the upper mold and/or the lower mold, and the magnet 1 is directly or indirectly cooled. In this scheme, reserve heat conduction groove 221 also is in order to fix a position and leave after the package is moulded in order to support heat conduction yoke plate 11 in the mould, simultaneously, owing to support heat conduction yoke plate 11 and can contact with the mould with the help of this reservation heat conduction groove 221 and radiating groove 222, then have the heat conduction of moulding the package to the characteristics in the mould, consequently, support heat conduction yoke plate 11's setting and can carry out further heat dissipation to magnet 1, reduce the probability that magnet 1 was demagnetized.
Referring to fig. 2 and 3, the end of the heat dissipation groove 222 extends to the position where the second molded body 22 is close to the first molded body 21, so that the heat of the magnet 1 in the first molded body 21 can be dissipated to the mold more quickly by supporting the heat conductive yoke plate 11; the first plastic packaging body 21 is sleeved with the protective cap 4, a hemispherical clamping piece 41 is arranged at the cap opening of the protective cap 4, and the clamping piece 41 is clamped in the heat dissipation groove 222; reinforcing ribs 42 are fixed on the inner wall of the protective cap 4, the reinforcing ribs 42 are hidden in the reserved positioning grooves 212, and the inner wall of the protective cap 4 abuts against the outer wall of the first plastic packaging body 21, so that the overall volume of the protective cap 4 can be reduced, the overall shifting fork magnetic assembly is more compact, and the shifting fork can conveniently move in the clutch box.
The outer wall of the second plastic body 22 is provided with a guide groove 223, one end of the guide groove 223 is connected with the notch of the heat dissipation groove 222, and the moving path of the clamping piece 41 outside the heat dissipation groove 222 is partially overlapped with the guide groove 223; the groove depth of the guiding groove 223 gradually decreases from the end far away from the heat dissipation groove 222 to the end near the heat dissipation groove 222, and the groove depth of the guiding groove 223 near the end near the heat dissipation groove 222 is zero.
The second plastic body 22 is sleeved with the unlocking piece 5 in a clamping way, and the unlocking piece 5 is arranged between the two first plastic bodies 21; the unlocking member 5 is used to unlock the protective cap 4, so that the protective cap 4 originally fastened to the heat dissipation groove 222 can be more clearly detached by an operator, thereby facilitating replacement. The unlocking piece 5 is approximately in an inverted U shape, the inner sides of two ends of the unlocking piece 5 are respectively fixed with an unlocking block 51, and the unlocking blocks 51 are positioned in the corresponding heat dissipation grooves 222; two strip-shaped linkage pieces 52 are connected in each heat dissipation groove 222 in a sliding manner, the two linkage pieces 52 are respectively positioned at two sides of the nearby unlocking block 51, and two opposite side walls of the linkage pieces 52 are respectively abutted against the groove walls of the heat dissipation grooves 222 so as to support the heat dissipation grooves 222 to a certain extent; wedge surfaces are arranged on the linkage piece 52 and the unlocking block 51, and the wedge surfaces on the linkage piece 52 are abutted with the wedge surfaces on the unlocking block 51; a hemispherical jacking member 53 is fixed on the link member 52, and the moving path of the jacking member 53 is intersected with the moving path of the clamping member 41 in the heat dissipation groove 222.
When an operator presses the unlocking piece 5, the unlocking piece 51 pushes the linkage piece 52 to move transversely, the jacking piece 53 on the linkage piece 52 passes through the motion path of the clamping piece 41 and jacks up the clamping piece 41 in the direction away from the bottom of the heat dissipation groove 222, and then the operator can easily take down the protective cap 4 from the plastic-coated part 2.
A connecting rod 43 is fixedly connected between the two protective caps 4, and the unlocking piece 5 is positioned between the connecting rod 43 and the second plastic coating body 22; the connecting rod 43 not only strengthens the strength and integrity between the two protective caps 4, but also serves to resist the unlocking member 5 from colliding in the direction of movement of the unlocking member 5, thereby reducing the probability of the protective caps 4 being pulled out by accidental unlocking.
Referring to the drawings, a mounting hole 31 penetrates through the mounting portion 3, a rigid abutting ring 32 is sleeved in the mounting hole 31, and outer edges of two ends of the rigid abutting ring 32 are both flanged outwards and attached to the side wall of the mounting portion 3. Installation department 3 passes through mounting hole 31 and accomplishes with the shift fork to be connected, nevertheless because the material of installation department 3 is yielding materials such as nylon, leads to the installation unstable, consequently, through install rigidity butt ring 32 additional in mounting hole 31, can reduce the probability that mounting hole 31 warp, improves installation stability, and optional metalworks such as stainless steel, copper of rigidity butt ring 32.
The implementation principle of the embodiment 1 is as follows: because magnet 1 is the package and moulds in the base member, then in the later stage use, more in the past with 1 joint of magnet on the base member the mode, more difficult emergence is become flexible, just also can be more accurate with magnetic signal transmission to position sensor. In addition, the reserved positioning slots 212 left by positioning the magnet 1 in the mold are located at four corners of the first plastic-coated body 21, so that the first plastic-coated body 21 is in a cross plastic-coated shape.
Example 2:
referring to fig. 4, the difference between this embodiment and embodiment 1 is that the reserved positioning slots 212 left by positioning the magnet 1 in the mold are located at the four peripheries of the first plastic-coated body 21, so that the first plastic-coated body 21 is in an X-shaped cross plastic-coated shape.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a shift fork magnetic component, includes base member and magnet (1), its characterized in that: the matrix comprises a plastic coating part (2) for coating the magnet (1) and a mounting part (3) connected with the plastic coating part (2), a reserved positioning groove (212) is arranged on the outer wall of the plastic coating part (2), and the reserved positioning groove (212) is communicated with the interior of the plastic coating part (2); the plastic-coated part (2) comprises a first plastic-coated body (21) and a second plastic-coated body (22), the magnet (1) is coated and molded in the first plastic-coated body (21), a reserved positioning groove (212) is formed in the first plastic-coated body (21), a supporting heat-conducting yoke plate (11) is coated and molded in the second plastic-coated body (22), one side face of the magnet (1) abuts against one side face of the supporting heat-conducting yoke plate (11), and a reserved heat-conducting groove (221) is formed in the outer wall of the second plastic-coated body (22); the outer wall of the second plastic wrapping body (22) is also provided with a heat dissipation groove (222), the heat dissipation groove (222) is communicated with the interior of the second plastic wrapping body (22), and the end part of the heat dissipation groove (222) extends to the position, close to the first plastic wrapping body (21), of the second plastic wrapping body (22); the first plastic packaging body (21) is sleeved with the protective cap (4), a clamping piece (41) is arranged at the cap opening of the protective cap (4), and the clamping piece (41) is clamped in the heat dissipation groove (222);
an unlocking piece (5) is sleeved on the second plastic wrapping body (22) in a clamping mode, an unlocking block (51) is fixed on the unlocking piece (5), and the unlocking block (51) is located in the heat dissipation groove (222); a linkage piece (52) is connected in the heat dissipation groove (222) in a sliding mode, two opposite side walls of the linkage piece (52) abut against the groove wall of the heat dissipation groove (222), wedge surfaces are arranged on the linkage piece (52) and the unlocking block (51), and the wedge surfaces on the linkage piece (52) abut against the wedge surfaces on the unlocking block (51); the clamping piece (41) is hemispherical, the hemispherical jacking piece (53) is fixed on the linkage piece (52), and the motion path of the jacking piece (53) is intersected with the motion path of the clamping piece (41) in the heat dissipation groove (222).
2. A fork magnet assembly according to claim 1, wherein: the mounting portion (3) is provided with a mounting hole (31), a rigid butt ring (32) is sleeved in the mounting hole (31), and the outer edges of two ends of the rigid butt ring (32) are both arranged at outward flanging and attached to the side wall of the mounting portion (3).
3. A fork magnet assembly according to claim 1, wherein: the interior plastic-coated portion (2) of plastic-coated portion is provided with two magnets (1), two marking areas (211) which are respectively marked with a cathode and an anode are arranged on the plastic-coated portion (2), and the two marking areas (211) respectively correspond to the two magnets (1).
4. A fork magnet assembly according to claim 1, wherein: reinforcing ribs (42) are fixed on the inner wall of the protective cap (4), the reinforcing ribs (42) are located in the reserved positioning grooves (212), and the inner wall of the protective cap (4) abuts against the outer wall of the first plastic packaging body (21).
5. A fork magnet assembly according to claim 1, wherein: the outer wall of the second plastic packaging body (22) is provided with a guide groove (223), one end of the guide groove (223) is connected with the notch of the heat dissipation groove (222), and the motion path of the clamping piece (41) outside the heat dissipation groove (222) is partially overlapped with the guide groove (223); the depth of the guiding groove (223) is gradually reduced from one end far away from the heat dissipation groove (222) to one end close to the heat dissipation groove (222).
6. A fork magnet assembly according to claim 1, the first plastic body (21) is provided with two and each first plastic body (21) is internally plastic-coated with a magnet (1), characterized in that: a connecting rod (43) is fixedly connected between the two protective caps (4); the unlocking piece (5) is arranged between the two protective caps (4) and is positioned between the connecting rod (43) and the second plastic body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110058659.2A CN112885555B (en) | 2021-01-16 | 2021-01-16 | Shifting fork magnetic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110058659.2A CN112885555B (en) | 2021-01-16 | 2021-01-16 | Shifting fork magnetic assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112885555A CN112885555A (en) | 2021-06-01 |
| CN112885555B true CN112885555B (en) | 2022-09-16 |
Family
ID=76048567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110058659.2A Active CN112885555B (en) | 2021-01-16 | 2021-01-16 | Shifting fork magnetic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112885555B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208432714U (en) * | 2018-05-11 | 2019-01-25 | 湖北中航精机科技有限公司 | Shifting fork assembly position sensor magnetic field of magnets signal imitation detection device |
| CN110145597A (en) * | 2019-06-05 | 2019-08-20 | 苏州东风精冲工程有限公司 | The structure and fork being connect suitable for shift fork neutral gear locating piece with shift fork |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203672388U (en) * | 2014-01-06 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Position sensor magnet assembly and shifting fork assembly |
| CN105090493A (en) * | 2014-05-09 | 2015-11-25 | 上汽通用五菱汽车股份有限公司 | Self locking system of MT (Manual Transmission) gear shifting mechanism |
| CN205047820U (en) * | 2015-10-10 | 2016-02-24 | 武汉泛洲机械制造有限公司 | Double clutch automatic gearbox shift fork assembly |
| CN210686945U (en) * | 2019-09-24 | 2020-06-05 | 上海汽车集团股份有限公司 | Gearbox electronic gear shifting system and shifting fork self-locking mechanism |
| CN111577891A (en) * | 2020-06-19 | 2020-08-25 | 苏州东风精冲工程有限公司 | Be applicable to DCT gearbox integrated form lightweight aluminum alloy shift fork assembly |
-
2021
- 2021-01-16 CN CN202110058659.2A patent/CN112885555B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208432714U (en) * | 2018-05-11 | 2019-01-25 | 湖北中航精机科技有限公司 | Shifting fork assembly position sensor magnetic field of magnets signal imitation detection device |
| CN110145597A (en) * | 2019-06-05 | 2019-08-20 | 苏州东风精冲工程有限公司 | The structure and fork being connect suitable for shift fork neutral gear locating piece with shift fork |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112885555A (en) | 2021-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112885555B (en) | Shifting fork magnetic assembly | |
| CN212352770U (en) | Automatic separating mechanism for mold injection mold pouring gate | |
| CN216414130U (en) | Positioning device suitable for motor stator encapsulating | |
| CN103796820A (en) | Cast mould and method for manufacturing contact or intraocular lenses | |
| CN214353961U (en) | Automobile lamp gasket injection mold convenient to ejection of compact | |
| CN214589039U (en) | Square extremely simple power battery apron of moulding plastics | |
| CN210590352U (en) | Automobile radar support die | |
| CN209775396U (en) | High-precision alignment machining die | |
| KR20010097536A (en) | a structure of injection mold for recycling | |
| CN212272771U (en) | Embedded nut of plastic product | |
| CN207657115U (en) | Injection mould and its slide block type automatic die assembly lock construction | |
| CN208323931U (en) | Tire-mold sealer and vacuumize tire-mold | |
| CN209812901U (en) | Forming die for nylon seal | |
| CN202153603U (en) | Split type carbon brush holder | |
| CN213166625U (en) | High-sealing core structure of lens mold | |
| KR200246817Y1 (en) | Vulcanizing mold for tire | |
| CN214000403U (en) | Positioning device for precise electronic component forming die | |
| CN219476622U (en) | Semiconductor processing device with metal ceramic | |
| CN213382627U (en) | Plastic package mold for vehicle electronic device frame | |
| CN219276501U (en) | Quick-dismantling injection mold | |
| CN219176767U (en) | Combined assembled bakelite wheel sealing plate | |
| CN214982971U (en) | Injection mould of automobile steering lamp trim | |
| CN214236237U (en) | Anti-deformation die for automobile gear shifting groove plate | |
| CN214188176U (en) | Easily radiating injection mold | |
| CN207930960U (en) | A kind of accurate keyboard mold with recirculating cooling water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |