CN111941056A - Heavy-load anti-loose elastic accurate limit tolerance regulator - Google Patents
Heavy-load anti-loose elastic accurate limit tolerance regulator Download PDFInfo
- Publication number
- CN111941056A CN111941056A CN201911329019.XA CN201911329019A CN111941056A CN 111941056 A CN111941056 A CN 111941056A CN 201911329019 A CN201911329019 A CN 201911329019A CN 111941056 A CN111941056 A CN 111941056A
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- annular
- hole
- elastic
- cylinder body
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a heavy-load anti-loosening elastic precise limit tolerance regulator, wherein a cylinder body is internally provided with a central hole, the inner wall of the lower part of the central hole of the cylinder body is provided with an internal thread, an adjusting screw is screwed on the internal thread of the central hole of the cylinder body through the external thread of the adjusting screw, a through hole is formed in the adjusting screw, the upper peripheral part of the cylinder body is provided with an annular baffle, the inner wall of the through hole of the adjusting screw is provided with a positioning groove, the inner wall of the upper part of the through hole of the adjusting screw is provided with an annular groove, the upper part of the adjusting screw is also provided with limit grooves distributed along the circumferential direction, the elastic limit clamp spring is annular, the elastic limit clamp spring is provided with a fracture, the peripheral part of the elastic: the tolerance regulator has the advantages of good regulating effect, convenience and rapidness in regulating operation, simple structure, low assembling difficulty and capability of greatly reducing the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of tolerance regulators, in particular to the technical field of a tolerance regulator for fixing an automobile battery pack.
Background
At present, the market occupancy of electric automobiles is on a rising trend year by year, a battery pack is a core component of the electric automobiles, the battery pack needs to be fixedly installed on a frame in the manufacturing process of the electric automobiles, a common installation method at present is to arrange lifting lugs on the battery pack, respectively arrange corresponding through holes on the lifting lugs and the frame, lift the battery pack through lifting equipment to enable the lifting lugs of the battery pack to be in contact with the bottom surface of the frame, then penetrate bolts in the through holes of the lifting lugs of the battery pack and the frame, and screw nuts on the bolts to fix the battery pack on the frame, however, because the bottom surface of the frame is not a complete plane, the height may be uneven due to the structure and the like, when the battery pack is installed, each lifting lug on the battery pack cannot be attached to the bottom surface of the frame, and therefore, a distance tolerance exists between the lifting lugs of the battery pack and the bottom surface of the frame, if screw bolt and nut are screwed up by force at this moment, then can press the lug on the battery package and warp, consequently need use tolerance adjusting device to adjust the distance tolerance between battery package lug and the frame, common tolerance adjusting device structure is generally comparatively complicated on the market at present, the assembly degree of difficulty is great, manufacturing cost is higher, and traditional tolerance adjusting device is when carrying out the tolerance adjustment, not only the operation is very inconvenient, the installation effectiveness of battery package has seriously been influenced, and press the lug with the battery package easily in accommodation process and warp, and spacing precision is not very ideal in accommodation process.
Disclosure of Invention
The invention aims to solve the defects and provide the heavy-load anti-loosening elastic precise limiting tolerance regulator which has a simple structure, is very convenient to assemble and produce, can greatly reduce the manufacturing cost, is very convenient to adjust the tolerance, can effectively improve the installation efficiency, can avoid crushing a battery pack lifting lug in the adjustment process, and has good limiting precision.
The technical solution adopted by the present invention to solve the above technical problems is as follows:
a heavy-load anti-loosening elastic precise limit tolerance regulator comprises a cylinder body, a regulating screw rod, an elastic limit clamp spring and an elastic retainer ring, wherein a central hole is formed in the cylinder body, an internal thread is arranged on the inner wall of the lower part of the central hole of the cylinder body, the regulating screw rod is screwed on the internal thread of the central hole of the cylinder body through the external thread, a through hole is formed in the regulating screw rod, an annular baffle is arranged on the upper peripheral part of the cylinder body, a positioning groove is formed in the inner wall of the through hole of the regulating screw rod, an annular groove is formed in the inner wall of the upper part of the through hole of the regulating screw rod, limit grooves distributed along the circumferential direction are further formed in the upper part of the regulating screw rod, the elastic limit clamp spring is annular, a fracture is formed in the elastic limit clamp spring, a positioning plate, the upper portion of the elastic limiting clamp spring is provided with an arc-shaped elastic sheet, the upper end portion of the arc-shaped elastic sheet is provided with a limiting plate, the limiting plate is located in a limiting groove, the elastic retainer ring is clamped in the annular groove and located above the limiting plate, and an annular step surface corresponding to the limiting plate is arranged on the inner wall of the central hole of the cylinder body.
The positioning groove on the inner wall of the through hole of the adjusting screw is annular.
And a central screw hole communicated with the central hole is formed in the upper part of the column body.
The peripheral wall of the cylinder body below the annular baffle is provided with flower teeth.
And an annular limiting plate is arranged at the bottom of the adjusting screw rod.
And anti-skid grains are arranged on the bottom surfaces of the adjusting screw and the annular limiting plate.
The upper part of the central hole of the cylinder is conical.
Locating plate along circumference equipartition on the spacing jump ring of elasticity, the quantity of locating plate is 3~6, and the arc shell fragment on the spacing jump ring of elasticity is along circumference equipartition, and the quantity of arc shell fragment is 3~ 6.
The elastic limit clamp spring is made of steel.
The invention adopts the technical proposal to achieve the following beneficial effects:
1. when the tolerance regulator is used for fixedly mounting the battery pack on the frame of the electric automobile, the cylinder is firstly penetrated in the through hole of the battery pack lifting lug, the flower teeth on the outer peripheral wall of the cylinder are forcibly embedded into the inner peripheral wall of the through hole of the battery pack lifting lug, and simultaneously the end surface of the annular baffle is contacted with the lifting lug, then the adjusting screw rod is screwed on the internal thread of the central hole of the column body, then the battery pack is supported by the lifting equipment, the adjusting screw rod is rotated by the wrench, so that the anti-skid grains on the adjusting screw rod and the annular limit plate are contacted with the bottom surface of the frame, thereby realizing the purpose of adjusting the tolerance of the distance between the battery pack lifting lug and the bottom surface of the frame, having good adjusting effect, the adjustment operation is very convenient and fast, the installation efficiency of the battery pack is effectively improved, and meanwhile, the tolerance adjuster is simple in structure, low in assembly difficulty and capable of greatly reducing the manufacturing cost.
2. Adjusting screw's in-process is adjusted through the spanner, after adjusting screw and the bottom surface contact of the anti-skidding line of annular limiting plate and frame, if continue to rotate adjusting screw through the spanner this moment, because required moment of torsion increases when rotating, the arc shell fragment is less than the rotation moment of torsion to the power of holding tightly of spanner wrench head, make the wrench head overcome and take place to skid with the frictional force between the arc shell fragment, reach the function of limit torsion, make adjusting screw can't continue to move towards the direction of frame again, thereby avoided the lug top of wrapping the battery bad.
3. After the spanner of spanner card was put between the arc shell fragment, under the extrusion of spanner to the arc shell fragment, make the arc shell fragment take place to warp, and then drive the limiting plate of arc shell fragment upper end outwards to expand along the spacing groove, make the outer tip of limiting plate remove to the top of annular step face, at the in-process that adjusting screw removed, if the outer tip of limiting plate and the annular step face contact of cylinder, then can't rotate adjusting screw again, thereby make adjusting screw can't break away from on the cylinder, reach and carry out spacing purpose to adjusting screw, avoided if the phenomenon that adjusting screw revolves to take off from the cylinder when the tolerance is too big.
4. When rotating adjusting screw and carrying out tolerance adjustment, after the limiting plate of the spacing jump ring of elasticity contacted annular step face, if continue to twist adjusting screw, probably can make the limiting plate take place the deformation of certain degree to influence the spacing precision to adjusting screw, carry on spacingly to the limiting plate through the circlip, then can avoid the limiting plate to take place to warp, thereby improve the spacing precision of the limiting plate of the spacing jump ring of elasticity to adjusting screw.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of the present invention of FIG. 1;
FIG. 3 is a cross-sectional view B-B of the present invention shown in FIG. 1;
FIG. 4 is a schematic structural diagram of the elastic limit clamp spring in FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1 at C;
fig. 6 is a schematic structural view of the elastic retainer ring in fig. 2.
Detailed Description
As shown in fig. 1, 2 and 3, the heavy-duty anti-loose elastic precise limit tolerance adjuster comprises a cylinder 1, an adjusting screw 2, an elastic limit clamp spring 3 and an elastic retainer ring 20, wherein a central hole 4 is formed in the cylinder 1, the upper part of the central hole 4 is conical, a central screw hole 16 communicated with the central hole 4 is arranged in the upper part of the column body 1, an internal thread 5 is arranged on the inner wall of the lower part of the central hole 4 of the column body 1, the adjusting screw rod 2 is screwed on the internal thread 5 of the central hole 4 of the column body 1 through an external thread 6, a through hole 7 is arranged in the adjusting screw 2, an annular baffle 9 is arranged on the upper periphery of the column body 1, the periphery wall of the column body 1 below the annular baffle 9 is provided with flower teeth 17, the bottom of the adjusting screw 2 is provided with an annular limiting plate 8, and the bottom surfaces of the adjusting screw 2 and the annular limiting plate 8 are provided with anti-skid grains 18. A positioning groove 12 is formed in the inner wall of the through hole 7 of the adjusting screw rod 2, the positioning groove 12 is annular, a ring groove 21 is formed in the inner wall of the upper portion of the through hole 7 of the adjusting screw rod 2, and limiting grooves 19 distributed along the circumferential direction are further formed in the upper portion of the adjusting screw rod 2. As shown in fig. 4, the elastic limit clamp spring 3 is annular, the elastic limit clamp spring 3 is made of steel, a fracture 10 is arranged on the elastic limit clamp spring 3, a positioning plate 11 is arranged on the periphery of the elastic limit clamp spring 3, the positioning plates 11 are uniformly distributed along the circumferential direction, the number of the positioning plates 11 is 3-6, the elastic limit clamp spring 3 is positioned in the through hole 7 of the adjusting screw rod 2, and is clamped in the positioning groove 12 through the positioning plate 11, the upper part of the elastic limit clamp spring 3 is provided with an arc-shaped elastic sheet 13, the arc-shaped elastic sheets 13 are uniformly distributed along the circumferential direction, the number of the arc-shaped elastic sheets 13 is 3-6, a limit plate 14 is arranged at the upper end part of the arc-shaped elastic sheet 13, the retainer plate 14 is located in the retainer groove 19, as shown in fig. 2, 5 and 6, the circlip 20 is engaged in the annular groove 21, the elastic retainer ring 20 is positioned above the limit plate 14, and an annular step surface 15 corresponding to the limit plate 14 is arranged on the inner wall of the central hole 4 of the column body 1.
When the heavy-duty anti-loose elastic precise limit tolerance regulator is used for fixedly mounting the battery pack on the frame of the electric automobile, a plurality of lifting lugs are firstly arranged on the battery pack, a first connecting hole is arranged on the lifting lug, a second connecting hole which is coaxial with the first connecting hole of the lifting lug is arranged on the frame, the present tolerance adjuster of fig. 1 is then turned upside down, rotated 180 deg., and the adjusting screw 2 is then removed from the cylinder 1, then the cylinder 1 is penetrated in the first connecting hole of the battery pack lifting lug from bottom to top, upward pressure is applied to the cylinder 1, the flower teeth 17 on the outer peripheral wall of the cylinder 1 are forcibly embedded into the inner peripheral wall of the first connecting hole of the battery pack lifting lug, meanwhile, the end face of the annular baffle 9 is in contact with the lifting lug, the cylindrical body 1 is well prevented from loosening through the spline 17, and the battery pack is supported by the annular baffle 9 after being mounted. Then put adjusting screw 2 on the internal thread 5 of cylinder 1 centre bore 4 soon, rethread lifting means holds up the battery package, make the distance between the lug of battery package and the bottom surface of frame reach predetermined value, at this moment, annular limiting plate 8 of adjusting screw 2 does not contact with the bottom surface of frame, then, get a spanner by the staff, pass the spanner's spanner from the second connecting hole of frame, block again in adjusting screw 2's through-hole 7, and the card is put between arc shell fragment 13, through the chucking of arc shell fragment 13, at this moment, under the extrusion effect of spanner to arc shell fragment 13, make arc shell fragment 13 take place to warp, and then drive limiting plate 14 of arc shell fragment 13 upper end outwards expand along spacing groove 19, make the outer tip of limiting plate 14 remove to the top of annular step face 15. Then, the adjusting screw 2 is rotated through the wrench, so that the adjusting screw 2 moves towards the direction far away from the central screw hole 16 until the anti-skid grains 18 of the adjusting screw 2 and the annular limiting plate 8 contact with the bottom surface of the frame, at the moment, if the adjusting screw 2 is rotated continuously through the wrench, the required torque is increased during rotation, the holding force of the arc-shaped elastic sheet 13 to the wrench head of the wrench is smaller than the rotating torque, the wrench head overcomes the friction force between the wrench head and the arc-shaped elastic sheet 13 to slip, the function of torque limiting is achieved, the adjusting screw 2 can not move towards the direction of the frame any more, and the phenomenon that a lifting lug of a battery pack is damaged is avoided. In the process that adjusting screw 2 removed, if the outer tip of limiting plate 14 contacted with the annular step face 15 of cylinder 1, then can't rotate adjusting screw 2 again to make adjusting screw 2 can't break away from cylinder 1, reach and carry out spacing purpose to adjusting screw 2, avoid adjusting screw 2 if the phenomenon that takes off soon from cylinder 1 when the tolerance is too big. After the limiting plate 14 contacts the annular step surface 15, if the adjusting screw 2 is continuously screwed, the limiting plate 14 may deform to a certain extent, so that the limiting precision of the adjusting screw 2 is influenced, the limiting plate 14 is limited through the elastic retainer ring 20, the limiting plate 14 can be prevented from deforming, and the limiting precision of the limiting plate 14 of the elastic limiting clamp spring 3 on the adjusting screw 2 is improved. And then, taking a bolt and a nut for fastening the battery pack, threading the bolt through a second connecting hole of the frame, a through hole 7 of the adjusting screw rod 2 and a central hole 4 of the cylinder 1 in sequence, screwing the bolt into a central screw hole 16 of the cylinder 1, threading the bolt out of the central screw hole 16, screwing the nut on the threaded part of the bolt, and enabling the nut to be tightly attached to the end surface of the cylinder 1, thereby finishing the fixed installation of the battery pack. It should be noted that, in the process of rotationally adjusting the adjusting screw 2, if the outer end portion of the limiting plate 14 contacts with the annular step surface 15 of the column body 1, it is indicated that the adjusting screw 2 has moved to the maximum stroke position, and if the adjusting screw 2 and the anti-slip threads 18 on the annular limiting plate 8 still do not contact with the bottom surface of the frame at this time, the adjusting screw 2 should not be rotated any more, and the bolt and the nut should be screwed down forcibly, so that the lifting lug of the battery pack is pressed and deformed, and the anti-slip threads 18 on the adjusting screw 2 and the annular limiting plate 8 contact with the bottom surface of the frame.
Claims (9)
1. Accurate spacing tolerance regulator of locking elasticity of heavy load, its characterized in that: the adjustable elastic limiting clamp spring comprises a cylinder body, an adjusting screw rod, an elastic limiting clamp spring and an elastic retainer ring, wherein a central hole is formed in the cylinder body, an internal thread is arranged on the inner wall of the lower part of the central hole of the cylinder body, the adjusting screw rod is screwed on the internal thread of the central hole of the cylinder body through the external thread of the adjusting screw rod, a through hole is formed in the adjusting screw rod, an annular baffle is arranged on the upper peripheral part of the cylinder body, a positioning groove is formed in the inner wall of the through hole of the adjusting screw rod, an annular groove is formed in the inner wall of the upper part of the through hole of the adjusting screw rod, limiting grooves distributed along the circumferential direction are further formed in the upper part of the adjusting screw rod, the elastic limiting clamp spring is annular, a fracture is formed in the elastic limiting clamp spring, a positioning plate is arranged, the upper end of the arc-shaped elastic sheet is provided with a limiting plate which is positioned in a limiting groove, the elastic retainer ring is clamped in the annular groove and positioned above the limiting plate, and the inner wall of the central hole of the column body is provided with an annular step surface corresponding to the limiting plate.
2. The heavy duty check resilient precision limit tolerance adjuster of claim 1, wherein: the positioning groove on the inner wall of the through hole of the adjusting screw is annular.
3. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: and a central screw hole communicated with the central hole is formed in the upper part of the column body.
4. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: the peripheral wall of the cylinder body below the annular baffle is provided with flower teeth.
5. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: and an annular limiting plate is arranged at the bottom of the adjusting screw rod.
6. The heavy duty check resilient precision limit tolerance adjuster of claim 5, wherein: and anti-skid grains are arranged on the bottom surfaces of the adjusting screw and the annular limiting plate.
7. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: the upper part of the central hole of the cylinder is conical.
8. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: locating plate along circumference equipartition on the spacing jump ring of elasticity, the quantity of locating plate is 3~6, and the arc shell fragment on the spacing jump ring of elasticity is along circumference equipartition, and the quantity of arc shell fragment is 3~ 6.
9. The heavy duty anti-loosing resilient precision limit tolerance adjuster according to claim 1 or 2, wherein: the elastic limit clamp spring is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329019.XA CN111941056A (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic accurate limit tolerance regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329019.XA CN111941056A (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic accurate limit tolerance regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111941056A true CN111941056A (en) | 2020-11-17 |
Family
ID=73335615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911329019.XA Pending CN111941056A (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic accurate limit tolerance regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111941056A (en) |
-
2019
- 2019-12-20 CN CN201911329019.XA patent/CN111941056A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4790703A (en) | Prevailing torque fastener assembly | |
| AU708510B2 (en) | Underformed lock nut with slot | |
| CN109458389B (en) | Nylon lock nut | |
| CN211490414U (en) | Heavy-load anti-loose elastic accurate limit tolerance regulator | |
| CN211490413U (en) | Heavy-load anti-loose elastic limit tolerance regulator | |
| CN211490410U (en) | Heavy-load anti-loose pin type limit tolerance regulator | |
| CN111941056A (en) | Heavy-load anti-loose elastic accurate limit tolerance regulator | |
| CN211490412U (en) | Heavy-load anti-loose limit tolerance regulator | |
| CN111941058A (en) | Heavy-load anti-loose elastic limit tolerance regulator | |
| CN111941055A (en) | Heavy-load anti-loose limit tolerance regulator | |
| CN111941057A (en) | Heavy-load anti-loose pin type limit tolerance regulator | |
| CN113606238A (en) | Symmetrical slotting locknut structure and locknut locking method | |
| CN211490411U (en) | Heavy-load anti-loose destructive limit tolerance regulator | |
| CN205744849U (en) | Wheel reduction gasket structure | |
| CN218396867U (en) | Anti-loose limit heavy-load omnidirectional tolerance regulator | |
| CN211278250U (en) | Adjustable hexagonal clamping device | |
| CN112664538B (en) | Stable in structure and inflation portion adjustable pressure rivet nut | |
| CN201973046U (en) | Connecting structure for steel plate riveted nylon self-locking nuts | |
| CN211501427U (en) | Pin type limiting clamp spring | |
| CN215851588U (en) | Heavy load tolerance regulator | |
| CN211501426U (en) | Steel elastic limit clamp spring | |
| CN212131014U (en) | Double-end outer hexagonal bolt with step | |
| CN211501432U (en) | Plastic elastic limit clamp spring | |
| CN115570371A (en) | Anti-loose limit heavy-load omnidirectional tolerance regulator | |
| CN202187993U (en) | Stud with torsion exerting device structure |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 431900 No. 8 Fushui Road, Nanhu New District, Zhongxiang City, Jingmen City, Hubei Province Applicant after: HUBEI BOSHILONG TECHNOLOGY Co.,Ltd. Address before: 269 Chutian Avenue, Dongqiao Town, Zhongxiang City, Jingmen City, Hubei Province Applicant before: HUBEI BOSHILONG TECHNOLOGY Co.,Ltd. |