CN218396867U - Anti-loose limit heavy-load omnidirectional tolerance regulator - Google Patents

Abstract

The utility model discloses a locking spacing heavy load qxcomm technology tolerance regulator, be provided with down the screw thread in hollow nut's the cavity, the annular has been seted up to hollow screw's upper end, still has seted up at hollow screw's up end and has vertically dodged the groove with this annular is communicating, the jump ring mainly comprises the base plate, is provided with the first shell fragment and the second shell fragment that upwards extend on this base plate, and this first shell fragment corresponds with the vertical groove of dodging of hollow screw up end, first shell fragment is the form setting of tightening up inwards, and still is provided with the vertical limiting plate of level form in the upper end of this first shell fragment, the second shell fragment is the form setting of expanding outwards, the utility model discloses the advantage is: can make the screw rod all-round regulation in the jump ring, solve the hole decentraction's that lug hole and bottom of the automobile body section bar predetermine problem, adjust the very convenient and fast of operation, effectively improved the installation effectiveness of battery package, the assembly degree of difficulty is low, including under the mating reaction of external screw thread, improved the load-carrying capacity of adjusting.

Description

Anti-loose limit heavy-load omnidirectional tolerance regulator

Technical Field

The utility model relates to a technical field of fastener, more specifically say so and relate to the technical field of tolerance regulator for fastening.

Background

At present, the market occupancy of electric vehicles is on the increasing trend year by year, battery packs are the core components of electric vehicles, the electric vehicles need to be fixedly installed on a vehicle frame in the manufacturing process, the common installation method at present is to arrange lifting lugs on the battery packs, respectively arrange corresponding through holes on the lifting lugs and the vehicle frame, then lift up the battery packs through lifting equipment to enable the lifting lugs of the battery packs to be in contact with the bottom surface of the vehicle frame, then thread bolts in the through holes of the lifting lugs of the battery packs and the vehicle frame, and arrange nuts on the bolts to fix the battery packs on the vehicle frame, however, because the bottom surface of the vehicle frame is not a complete plane, the battery packs may be uneven or the lifting lugs and the holes on the vehicle frame cannot be aligned due to structural reasons and the like, consequently, can't guarantee in the installation that every lug all laminates with the frame bottom surface on the battery package, thereby there is distance tolerance between the lug that leads to the battery package and the bottom surface of frame, if screw bolt and nut are screwed up by force this moment, then can be with 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 only can adapt to the ascending tolerance adjustment of vertical side on the present market, when the lug hole of battery package and the through-hole of frame bottom surface can't just in time correspond, when having the small deviation of horizontal direction, current tolerance regulator just can't normally install and use under this kind of condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembly convenient operation in order to solve it not enough and provide one kind above-mentioned, not only can carry out the tolerance regulation of vertical direction, but also can carry out the tolerance regulation of horizontal direction, effectively improve the installation effectiveness, can bear the spacing heavy load qxcomm technology tolerance regulator of locking of heavy load simultaneously.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

the utility model provides a locking spacing heavy load qxcomm technology tolerance regulator, it comprises hollow nut, hollow screw, jump ring and position circle, be provided with down the screw thread in hollow nut's the cavity, the annular has been seted up to hollow screw's upper end, still seted up at hollow screw's up end and vertically dodged the groove with this annular is communicating, the jump ring mainly comprises the base plate, is provided with the first shell fragment and the second shell fragment that upwards extend on this base plate, and this first shell fragment vertically dodges the groove with hollow screw up end and corresponds, first shell fragment is the form setting of tightening up inwards, and still is provided with the vertical limiting plate of level form in the upper end of this first shell fragment, the second shell fragment is the form setting of expanding outwards, the jump ring is put in hollow screw through its second shell fragment card to make the vertical limiting plate of first shell fragment upper end be located hollow screw vertically dodge the inslot, the position circle is installed in hollow screw's upper end, through vertical limiting plate lock the jump ring put in hollow screw in hollow nut, hollow screw is put down screw thread department through its cavity screw soon.

Preferably, the first elastic pieces and the second elastic pieces of the clamp spring are distributed at intervals.

Preferably, the vertical limiting plate at the upper end of the first elastic sheet on the clamp spring is T-shaped.

Preferably, the clamp spring is a non-closed ring type provided with a notch.

Preferably, the thread of the hollow nut is provided with a longitudinal pin key groove.

Preferably, the lower end face of the hollow screw is provided with anti-rotation teeth.

Preferably, the number of the pin key grooves formed in the hollow nut is 1-4, and the pin key grooves are uniformly distributed along the circumferential direction.

Preferably, the number of the avoiding grooves formed in the upper end face of the hollow screw is 2-6, and the avoiding grooves are uniformly distributed along the circumferential direction.

Preferably, the flange surface of the hollow screw is provided with a protrusion for preventing the hollow screw from being screwed.

The utility model adopts the above technical solution beneficial effect that can reach be:

1. when the tolerance regulator is used for fixedly installing the battery pack on a frame of an electric automobile, firstly, an aluminum sleeve is fixed in a through hole of a lifting lug of the battery pack, a hollow nut is screwed into the aluminum sleeve, a positioning pin which is customized in advance is inserted from a pin key groove which is arranged on the thread of the hollow nut, so that the aim of preventing the hollow nut from freely rotating in the aluminum sleeve is achieved, then, a hollow screw is installed in the hollow nut, if the lifting lug is made of steel, the hollow nut can be directly welded in the through hole of the lifting lug, the upper part of the hollow nut is contacted with the lifting lug, then, the battery pack is supported by a lifting device, a force transmission rod of an electric wrench is inserted into the hollow screw and is contacted with a snap spring, and the hollow screw is rotated by the force transmission rod of the electric wrench, make hollow screw's lower terminal surface and underbody section bar contact, this jump ring is equipped with first shell fragment and second shell fragment, form public surplus regulatory region between two shell fragments, can make the screw rod all-round regulation in the jump ring, the hole decentraction's that lug hole and underbody section bar predetermine problem has been solved, finally, utilize flange face bolt to penetrate from hollow nut's upper end, and wear out from hollow screw's lower extreme, lock in the nut of predetermineeing in the underbody section bar of twist, thereby the purpose of the tolerance regulation to distance between battery package lug and the underbody section bar has been realized, fine regulation effect has, and adjust the operation very convenient and fast, the installation effectiveness of battery package has effectively been improved, the assembly degree of difficulty is low, under the mating reaction of internal and external screw thread, the load capacity of regulation has been improved.

2. At the in-process that rotates hollow screw through electric spanner, after the lower terminal surface of hollow screw contacts with automobile body bottom section bar face, if continue to rotate hollow screw through electric spanner this moment, because required moment of torsion increases when rotating, the first shell fragment of jump ring is less than the rotation torque to electric spanner's power of holding tightly, make electric spanner overcome and take place to skid with the frictional force between the first shell fragment, reach the function of turn-knob, make hollow screw can't continue to remove to the direction of frame again, thereby avoided the lug top of wrapping the battery bad.

3. The anti-rotation teeth are arranged on the lower end face of the hollow screw, so that the phenomenon of looseness during vehicle running vibration is prevented.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the hollow nut of the present invention;

FIG. 4 is a bottom view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of the hollow screw of the present invention;

FIG. 6 is a schematic view of the cross-sectional view A-A of FIG. 5;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 6 at B;

FIG. 8 is a schematic view of a clamp spring;

FIG. 9 is a schematic view of the expanded configuration of FIG. 8;

fig. 10 is a schematic view of the assembled structure.

1. A hollow nut; 2. a hollow screw; 3. a clamp spring; 4. positioning rings; 5. lower threads; 6. a pin keyway; 7. a ring groove; 8. an avoidance groove; 9. anti-rotation teeth; 10. a flange; 11. a protrusion; 12. a second elastic sheet; 13. a first spring plate; 14. a limiting plate; 15. an aluminum sleeve; 16. positioning pins; 17. a vehicle underbody profile; 18. lifting lugs; 19. a flange face bolt; 20. a nut; 21. a substrate.

Detailed Description

Shown by figure 1, figure 2, figure 3, figure 4, figure 5, figure 6, figure 7, figure 8, figure 9 and figure 10, locking spacing heavy duty omnidirectional tolerance regulator, it comprises hollow nut 1, hollow screw 2, jump ring 3 and position circle 4, be provided with down screw thread 5 in the cavity of hollow nut 1, round pin keyway 6 has been seted up to hollow nut 1's screw thread department, this locked groove 6 is 1-4, and along circumference equipartition, annular 7 has been seted up to hollow screw 2's upper end, still seted up the communicating vertical groove 8 of dodging with this annular 7 at hollow screw 2's up end, should vertically dodge the groove 8 and be 2-6, and along circumference equipartition, hollow screw 2's screw thread is the levogyration, hollow screw 2's lower terminal surface is provided with prevents preventing tooth 9, hollow screw 2 flange 10 department is provided with prevents the arch 11 of twisting death, jump ring 3 mainly comprises base plate 21, the clamp spring 3 is a non-closed loop type with a gap, a first elastic sheet 13 and a second elastic sheet 12 which extend upwards are arranged on the base plate 21, the first elastic sheet 13 and the second elastic sheet 12 of the clamp spring 3 are distributed alternately, the first elastic sheet 13 corresponds to a longitudinal avoiding groove 8 on the upper end surface of the hollow screw 2, the first elastic sheet 13 is arranged in an inwards-tightening shape, a horizontal longitudinal limiting plate 14 is further arranged on the upper end of the first elastic sheet 13, the longitudinal limiting plate 14 is arranged in a T shape, the second elastic sheet 12 is arranged in an outwards-expanding shape, the clamp spring 3 is clamped in the hollow screw 2 through the second elastic sheet 12, the longitudinal limiting plate 14 on the upper end of the first elastic sheet 13 is positioned in the longitudinal avoiding groove 8 of the hollow screw 2, the positioning ring 4 is arranged in an annular groove 7 on the upper end of the hollow screw 2, and the clamp spring 3 is locked in the hollow screw 2 through the longitudinal limiting plate 14, the hollow screw rod 2 is screwed at the lower thread 5 in the hollow of the hollow nut 1 through the thread thereof.

When the tolerance regulator is used for fixedly mounting a battery pack on a frame of an electric automobile, an aluminum sleeve 15 is fixed in a through hole of a battery pack lifting lug 18, a hollow nut 1 is screwed into the aluminum sleeve 15, a positioning pin 16 which is customized in advance is inserted from a pin keyway 6 which is arranged on the thread of the hollow nut 1, so that the aim of preventing the hollow nut 1 from freely rotating in the aluminum sleeve 15 is achieved, if the lifting lug 18 is made of steel, the hollow nut 1 can be directly welded in the through hole of the lifting lug 18, the upper part of the hollow nut 1 is contacted with the lifting lug 18, then the battery pack is lifted by a lifting device, a force transmission rod of an electric wrench is inserted into the hollow screw 2 and is contacted with a clamp spring 3, the hollow screw 2 is rotated by the force transmission rod of the electric wrench, the lower end surface of the hollow screw 2 is contacted with a section 17 at the bottom of the automobile body, after the lower end surface of the hollow screw 2 is contacted with the section 17 at the bottom of the automobile body, if the hollow screw 2 is continuously rotated by the electric wrench, the holding force of the first elastic sheet 13 of the clamp spring 3 to the electric wrench is smaller than the rotation torque due to the increase of the torque required during rotation, so that the electric wrench overcomes the friction force between the electric wrench and the first elastic sheet 13 to slip, thereby achieving the function of torque limitation, and the hollow screw 2 can not continuously move towards the vehicle frame, thereby avoiding the damage of the lifting lug 18 of the battery pack, the clamp spring 3 is provided with the first elastic sheet 13 and the second elastic sheet 12, a tolerance adjusting allowance area is formed between the two elastic sheets, the screw can be adjusted in all directions in the clamp spring 3, the condition that the hole of the lifting lug 18 is not concentric with the hole preset in the vehicle body bottom section bar 17 is solved, finally, a flange bolt 19 penetrates from the upper end of the hollow nut 1 and penetrates out from the lower end of the hollow screw 2, and is screwed into the nut 20 preset in the vehicle body bottom section bar 17 for locking, thereby realized the purpose of adjusting the tolerance of distance between battery package lug 18 and automobile body bottom section bar 17, had fine regulation effect to adjust the operation very convenient and fast, effectively improved the installation effectiveness of battery package, the assembly degree of difficulty is low, including under the mating reaction of external screw thread, improved the load-carrying capacity of this product.

Claims (9)

1. Locking spacing heavy load qxcomm technology tolerance regulator, its characterized in that: it comprises hollow nut, hollow screw, jump ring and position circle, be provided with down the screw thread in hollow nut's the cavity, the annular has been seted up to hollow screw's upper end, still seted up at hollow screw's up end with the communicating vertical groove of dodging of this annular, the jump ring mainly comprises the base plate, is provided with the first shell fragment and the second shell fragment that upwards extend on this base plate, and this first shell fragment corresponds with the vertical groove of dodging of hollow screw up end, first shell fragment is the setting of tightening up form inwards, and still is provided with the vertical limiting plate of level form in the upper end of this first shell fragment, the second shell fragment is the setting of flaring form outward, the jump ring is put in hollow screw through its second shell fragment card to make the vertical limiting plate of first shell fragment upper end be located hollow screw's vertical groove of dodging, the position circle is installed in hollow screw's upper end annular, through vertical limiting plate with the jump ring lock put in hollow screw, hollow screw is put the lower screw thread department in hollow nut cavity through its screw thread soon.

2. The anti-loosing limit heavy-duty omni-directional tolerance regulator according to claim 1, wherein: the first elastic sheet and the second elastic sheet of the clamp spring are distributed at intervals.

3. The anti-loosening, limiting and heavy-duty omni-directional tolerance regulator according to claim 1, wherein: the vertical limiting plate at the upper end of the first elastic sheet on the clamp spring is arranged in a T shape.

4. The anti-loosening, limiting and heavy-duty omni-directional tolerance regulator according to claim 1, wherein: the clamp spring is a non-closed loop type provided with a notch.

5. The anti-loosening, limiting, heavy-duty, omni-directional tolerance regulator according to claim 1, 2, 3, or 4, wherein: and a longitudinal pin key groove is formed in the thread of the hollow nut.

6. The anti-loosing limit heavy duty omni-directional tolerance regulator according to claim 1, 2, 3 or 4, wherein: and the lower end face of the hollow screw is provided with anti-rotation teeth.

7. The anti-loosening, limiting, heavy-duty, omni-directional tolerance regulator according to claim 1, 2, 3, or 4, wherein: the hollow nut is provided with 1-4 pin key grooves which are uniformly distributed along the circumferential direction.

8. The anti-loosing limit heavy duty omni-directional tolerance regulator according to claim 1, 2, 3 or 4, wherein: the avoidance grooves formed in the upper end face of the hollow screw are 2-6 and are uniformly distributed along the circumferential direction.

9. The anti-loosing limit heavy duty omni-directional tolerance regulator according to claim 1, 2, 3 or 4, wherein: and the flange surface of the hollow screw is provided with a protrusion for preventing the screw from being screwed.

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