CN211490413U - Heavy-load anti-loose elastic limit tolerance regulator - Google Patents
Heavy-load anti-loose elastic limit tolerance regulator Download PDFInfo
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- CN211490413U CN211490413U CN201922314392.XU CN201922314392U CN211490413U CN 211490413 U CN211490413 U CN 211490413U CN 201922314392 U CN201922314392 U CN 201922314392U CN 211490413 U CN211490413 U CN 211490413U
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Abstract
The utility model discloses a spacing tolerance regulator of locking elasticity of heavy load, seted up the centre bore in the cylinder, be provided with the internal thread on the inner wall of cylinder centre bore lower part, adjusting screw puts on the internal thread of cylinder centre bore through its external screw thread soon, has seted up the through-hole in adjusting screw, is provided with the ring baffle in the last week portion of cylinder, the spacing jump ring of elasticity is cyclic annular, has seted up the fracture on the spacing jump ring of elasticity, is provided with the locating plate at the peripheral part of the spacing jump ring of elasticity, has seted up the constant head tank on the inner wall of adjusting screw through-hole, and the spacing jump ring of elasticity is located adjusting screw's through-hole to put in the constant head tank through the locating plate card, be provided with arc-shaped elastic piece on: 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.
Description
Technical Field
The utility model relates to a technical field of tolerance regulator, more specifically say so and relate to fixed technical field who uses tolerance regulator of car battery package.
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 this moment, then can press the lug pressure deformation on the battery package, 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, moreover press the lug deformation of battery package easily in accommodation process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned not enough and provide a simple structure, the assembly production of very being convenient for can reduce manufacturing cost by a wide margin to the tolerance adjustment operation is very convenient, can effectively improve the installation effectiveness, can avoid the spacing tolerance regulator of the locking elasticity of heavy load of the bad battery package lug of accommodation process middling pressure simultaneously.
The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:
a heavy-duty anti-loose elastic limit tolerance regulator comprises a cylinder, a regulating screw rod and an elastic limit clamp spring, a central hole is arranged in the cylinder body, internal threads are 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 threads of the central hole of the cylinder body through the external threads, a through hole is arranged in the adjusting screw rod, an annular baffle is arranged on the upper peripheral part of the cylinder body, the elastic limit clamp spring is annular, a fracture is arranged on the elastic limit clamp spring, a positioning plate is arranged on the peripheral part of the elastic limit clamp spring, a positioning groove is arranged on the inner wall of the through hole of the adjusting screw rod, the elastic limit clamp spring is positioned in the through hole of the adjusting screw rod and is clamped in the positioning groove through the positioning plate, the upper part of the elastic limiting clamp spring is provided with an arc-shaped elastic sheet, the upper end part of the arc-shaped elastic sheet is provided with a 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.
The top of the adjusting screw is provided with a limiting groove, the limiting plates at the upper end part of the arc-shaped elastic piece are respectively positioned in the limiting groove, and 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 utility model adopts the beneficial effect that above-mentioned technical solution can reach is:
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 card of spanner is 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 outside expansion of limiting plate of arc shell fragment upper end, 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 the cylinder, reach and carry out spacing purpose to adjusting screw, the phenomenon of taking off has been avoided if adjusting screw revolves from the cylinder when the tolerance is too big.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of the present invention shown in 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.
Detailed Description
As shown in fig. 1, 2 and 3, the heavy-duty anti-loosening elastic limit tolerance regulator comprises a cylinder 1, an adjusting screw 2 and an elastic limit clamp spring 3, 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 formed in the upper part of the cylinder 1, an internal thread 5 is formed on the inner wall of the lower part of the central hole 4 of the cylinder 1, the adjusting screw 2 is screwed on the internal thread 5 of the central hole 4 of the cylinder 1 through an external thread 6 of the adjusting screw 2, a through hole 7 is formed in the adjusting screw 2, an annular baffle 9 is arranged on the upper peripheral part of the cylinder 1, flower teeth 17 are arranged on the peripheral wall of the cylinder 1 below the annular baffle 9, an annular limit plate 8 is arranged at the bottom of the adjusting screw 2, and anti-slip threads 18 are arranged on the. As shown in fig. 4, the elastic limit clamp spring 3 is ring-shaped, the elastic limit clamp spring 3 is made of steel, a fracture 10 is formed on the elastic limit clamp spring 3, a positioning plate 11 is arranged on the outer peripheral portion of the elastic limit clamp spring 3, the positioning plate 11 is uniformly distributed along the circumferential direction, the number of the positioning plate 11 is 3-6, a positioning groove 12 is formed on the inner wall of a through hole 7 of the adjusting screw 2, the positioning groove 12 is ring-shaped, the elastic limit clamp spring 3 is positioned in the through hole 7 of the adjusting screw 2 and is clamped in the positioning groove 12 through the positioning plate 11, an arc-shaped elastic sheet 13 is arranged on the upper portion of the elastic limit clamp spring 3, 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 on the upper end portion of the arc-shaped elastic sheet 13, a limit groove 19 is formed, 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-loosening elastic limit tolerance regulator is used for fixedly mounting the battery pack on a frame of an electric automobile, a plurality of lifting lugs are arranged on the battery pack, a first connecting hole is formed in each lifting lug, a second connecting hole coaxial with the first connecting hole of each lifting lug is formed in the frame, the tolerance regulator in the figure 1 is rotated 180 degrees and reversed, the adjusting screw 2 is taken down from the cylinder 1, the cylinder 1 penetrates through the first connecting hole of each lifting lug of the battery pack from bottom to top and exerts upward pressure on the cylinder 1, the spline 17 on the outer peripheral wall of the cylinder 1 is forcibly embedded into the inner peripheral wall of the first connecting hole of each lifting lug of the battery pack, the end face of the annular baffle plate 9 is in contact with the inner peripheral wall of the corresponding lifting lug of the battery pack, the good anti-loosening effect is achieved on the cylinder 1 through the spline 17, and the supporting effect after the battery pack is mounted is achieved through the annular baffle plate 9. 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, 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. 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. Spacing tolerance regulator of locking elasticity of heavy load, its characterized in that: it comprises a cylinder body, an adjusting screw rod and an elastic limit clamp spring, wherein a central hole is arranged in the cylinder body, the inner wall of the lower part of the central hole of the cylinder is provided with internal threads, the adjusting screw rod is screwed on the internal threads of the central hole of the cylinder through the external threads, a through hole is arranged in the adjusting screw rod, an annular baffle is arranged on the upper peripheral part of the cylinder body, the elastic limit clamp spring is annular, a fracture is arranged on the elastic limit clamp spring, a positioning plate is arranged on the peripheral part of the elastic limit clamp spring, a positioning groove is arranged on the inner wall of the through hole of the adjusting screw rod, the elastic limit clamp spring is positioned in the through hole of the adjusting screw rod and is clamped in the positioning groove through the positioning plate, the upper part of the elastic limiting clamp spring is provided with an arc-shaped elastic sheet, the upper end part of the arc-shaped elastic sheet is provided with a 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 limit tolerance adjuster of claim 1, wherein: the top of the adjusting screw is provided with a limiting groove, the limiting plates at the upper end part of the arc-shaped elastic piece are respectively positioned in the limiting groove, and the positioning groove on the inner wall of the through hole of the adjusting screw is annular.
3. The heavy duty anti-loose resilient limit tolerance regulator of 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-loose resilient limit tolerance regulator of 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-loose resilient limit tolerance regulator of 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 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-loose resilient limit tolerance regulator of claim 1 or 2, wherein: the upper part of the central hole of the cylinder is conical.
8. The heavy duty anti-loose resilient limit tolerance regulator of 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-loose resilient limit tolerance regulator of claim 1 or 2, wherein: the elastic limit clamp spring is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922314392.XU CN211490413U (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic limit tolerance regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922314392.XU CN211490413U (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic limit tolerance regulator |
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| Publication Number | Publication Date |
|---|---|
| CN211490413U true CN211490413U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922314392.XU Active CN211490413U (en) | 2019-12-20 | 2019-12-20 | Heavy-load anti-loose elastic limit tolerance regulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941058A (en) * | 2019-12-20 | 2020-11-17 | 湖北博士隆科技有限公司 | Heavy-load anti-loose elastic limit tolerance regulator |
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2019
- 2019-12-20 CN CN201922314392.XU patent/CN211490413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941058A (en) * | 2019-12-20 | 2020-11-17 | 湖北博士隆科技有限公司 | Heavy-load anti-loose elastic limit tolerance regulator |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 431900 No. 8 Fushui Road, Nanhu New District, Zhongxiang City, Jingmen City, Hubei Province Patentee after: HUBEI BOSHILONG TECHNOLOGY Co.,Ltd. Address before: 269 Chutian Avenue, Dongqiao Town, Zhongxiang City, Jingmen City, Hubei Province Patentee before: HUBEI BOSHILONG TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |