CN115157146A - Hub nut gripper - Google Patents
Hub nut gripper Download PDFInfo
- Publication number
- CN115157146A CN115157146A CN202210816575.5A CN202210816575A CN115157146A CN 115157146 A CN115157146 A CN 115157146A CN 202210816575 A CN202210816575 A CN 202210816575A CN 115157146 A CN115157146 A CN 115157146A
- Authority
- CN
- China
- Prior art keywords
- arc
- outer sleeve
- hub nut
- plate
- sleeve
- 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.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 claims description 13
- 241000446313 Lamella Species 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The utility model provides a wheel hub nut gripper, this wheel hub nut gripper includes coaxial suit's inner skleeve and outer sleeve, be equipped with the long screw between outer sleeve and the inner skleeve, can drive inner skleeve and outer sleeve and slide in opposite directions through the long screw, the outer end of inner skleeve is equipped with a plurality of elastic plate, the outer end of elastic plate is equipped with the gripper jaw head, inner skleeve and outer sleeve are gliding in opposite directions in-process, the inboard arc of each gripper jaw head contacts the interior border of outer sleeve port, the top pressure on interior border forces elastic deformation of elastic plate, each gripper jaw head is synchronous to the internal contraction, the arc wall on the arc of gripper jaw head outside moves in opposite directions in step and presss from both sides tightly on the cone of wheel hub nut, and the outer end of elastic plate can be held tightly on the hexagonal side of wheel hub nut, the spacing effect of axial of cone and the elastic tightening force of gripper jaw head can firmly be fixed on wheel hub nut, difficult the looseness appears, the security of the device that tests the speed in-process.
Description
Technical Field
The invention relates to the field of automobile speed measuring equipment, in particular to a hub nut gripper.
Background
In the process of an automobile road test, the rotating speed of wheels is often measured, and particularly, when an ABS test is carried out, in order to examine the actual working condition of loading ABS, the wheel speed of a vehicle needs to be detected so as to confirm the working condition of an ABS system. Therefore, a speed measuring device hung on the wheel hub is provided, and the wheel speed of the wheel during road test is measured through the speed measuring device. The specific use method of the current speed measuring device is as follows: the shell of the wheel speed sensor is connected with a vehicle body through a positioning mechanism, a rotor of the wheel speed sensor rotates along with the wheel on the rotary disc, and the rotating speed of the wheel is measured through the relative movement of the rotor and a stator of the sensor. However, the chuck in the method is sleeved on the outer side surface of the hub nut, the clamping force is limited, the turntable, the wheel speed sensor and the positioning mechanism which are suspended outside the vehicle body cannot be supported powerfully, the problem that the whole wheel speed measuring device falls off due to looseness of the chuck is easy to occur in the process of measuring the speed of the vehicle running, and the chuck is poor in universality, cannot be suitable for hub nuts of different sizes, and cannot be suitable for wheel speed measurement of vehicles of different types.
Disclosure of Invention
In order to solve the above problems, the present invention provides a hub nut gripper.
The technical scheme of the invention is as follows: a hub nut gripper comprises a circular outer sleeve, a circular inner sleeve and a long bolt; the one end opening of outer sleeve, the other end is equipped with end plate A, the center of end plate A is equipped with the round hole, the coaxial cover of inner skleeve is in the outer sleeve, the interior terminal surface of inner skleeve has a plurality of elastic plate along the circumferencial direction equipartition, be equipped with certain interval between the elastic plate to be equipped with the centre gripping claw head in the inner of elastic plate, the centre gripping claw head is located the port outside of outer sleeve, the outer port of inner skleeve is equipped with end plate second, the center of end plate second is equipped with the screw hole, the round hole that the long bolt passed outer end plate A center inserts the screw hole at end plate second center.
Preferably, the gripper jaw head include arc A and arc B, the outer end at the elastic plate is connected with the gesture that leans out to arc A, arc A's lateral surface and the interior border of outer sleeve port correspond, arc A's outer terminal surface is equipped with the intermediate lamella along the axial, arc B connects the outer end at the intermediate lamella and is symmetrical structure with arc A.
Preferably, the end face of the arc-shaped plate B is provided with an arc-shaped groove, and the direction of the central line of the arc-shaped groove is consistent with the axial direction of the inner sleeve.
Preferably, the inner end portion of outer sleeve has a plurality of square gap along the circumferencial direction equipartition, and the length direction of breach is unanimous with the axial of outer sleeve, forms the arc pinion rack the same with elastic plate quantity between the adjacent breach, and arc pinion rack just right with the elastic plate to the inner end portion cover of outer sleeve is equipped with more than semicircular clamp, is equipped with the dop in the middle of the medial surface of more than semicircular clamp, and the card that the dop matches is gone into in one of them breach.
Preferably, one side of the semi-circular clamp is provided with a through hole, the arc toothed plate corresponding to the through hole is provided with a threaded hole, and a screw is inserted between the threaded hole and the through hole.
Preferably, the length of the inner sleeve is less than the length of the outer sleeve.
The beneficial technical effects of the invention are as follows:
(1) The hub nut gripper comprises an inner sleeve and an outer sleeve which are coaxially sleeved, a long screw is arranged between the outer sleeve and the inner sleeve, the inner sleeve and the outer sleeve can be driven to slide in opposite directions through the long screw, a plurality of elastic plates are arranged at the outer end of the inner sleeve, clamping jaw heads are arranged at the outer ends of the elastic plates, in the process that the inner sleeve and the outer sleeve slide in opposite directions, arc-shaped plates on the inner sides of the clamping jaw heads contact the inner edge of a port of the outer sleeve, the elastic plates are forced to elastically deform by the jacking force of the inner edge, the clamping jaw heads synchronously contract inwards, arc-shaped grooves on the arc-shaped plates on the outer sides of the clamping jaw heads synchronously move in opposite directions and are clamped on a conical head of a hub nut, the outer ends of the elastic plates can be tightly held on the hexagonal side face of the hub nut, the axial limiting effect of the conical face and the elastic tightening force of the clamping jaw heads can firmly fix the gripper on the hub nut, looseness is not prone to occur, and the safety of an externally hung speed measuring device in the speed measuring process is guaranteed.
(2) This wheel hub nut grabs in ware elastic plate can produce great elastic deformation, and the arc A of centre gripping claw head under the roof pressure effect of the interior border of outer cover tube port, each centre gripping claw head can open on a large scale or inwards contract, consequently can be suitable for the wheel hub nut of various sizes, and the commonality is strong, makes hanging that speed measuring device can be stable test the speed on the vehicle of different grade type.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
FIG. 4 is a sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic view of the gripper of the present invention attached to a hub nut;
FIG. 6 is a schematic perspective view of an inner sleeve of the present invention;
FIG. 7 is a perspective view of the outer sleeve of the gripper of the present invention after the semi-circular band has been installed thereon;
fig. 8 is a perspective view of a semi-circular clamp of the present invention.
In the drawing, 11, an outer sleeve, 111, an end plate A, 112, a round hole, 12, an inner sleeve, 121, an elastic plate, 122, an end plate B, 123, a threaded hole, 13, a long bolt, 14, a clamping claw head, 141, an arc plate A, 142, an arc plate B, 143, a middle plate, 144, an arc groove, 15, a hub nut, 151, a conical head, 152, a round angle, 21, a notch, 22, an arc toothed plate, 23, a semi-circular clamp, 231, a clamping head, 232, a screw, 31, a hub and 32, and a hub bolt.
Detailed Description
The first embodiment, referring to the attached figures 1-8 of the specification, comprises a circular outer sleeve, a circular inner sleeve and a long bolt; the one end opening of outer sleeve, the other end is equipped with end plate first, the center of end plate first is equipped with the round hole, the coaxial cover of inner skleeve is in the outer sleeve, the inner terminal surface of inner skleeve has a plurality of elastic plate along the circumferencial direction equipartition, be equipped with certain interval between the elastic plate, and be equipped with the centre gripping jaw head in the inner of elastic plate, the centre gripping jaw head is located the port outside of outer sleeve, the outer port of inner skleeve is equipped with end plate second, the center of end plate second is equipped with the screw hole, the round hole that the stay bolt passed outer end plate first center inserts the threaded hole at end plate second center, form the slip pair between stay bolt and the through-hole, this stay bolt can draw the inner skleeve through the screw hole during rotatory stay bolt, and can the roof pressure outer sleeve, drive inner skleeve and outer sleeve be slided in opposite directions.
At present, most of hub nuts and wheel hubs are connected in a mode as shown in figure 5 of the attached drawings of the specification, wherein a conical surface is arranged on the outer edge of a bolt hole of the wheel hub, and after the hub nuts and the hub bolts are screwed down, a conical head of the hub nuts is sleeved in the conical surface to achieve the effect of centering the wheel hub.
Therefore, the clamping jaw head comprises an arc plate A and an arc plate B, the arc plate A is connected to the outer end of the elastic plate in an outward inclined posture, the outer side surface of the arc plate A corresponds to the inner edge of the port of the outer sleeve, an intermediate plate is axially arranged on the outer end surface of the arc plate A, the arc plate B is connected to the outer end of the intermediate plate and is of a symmetrical structure with the arc plate A, the inner sleeve and the outer sleeve slide in opposite directions, the arc plate A of each clamping jaw head contacts the inner edge of the port of the outer sleeve, the inner edge inwards slides to press the arc plate A, the elastic plate is forced to inwards elastically deform, and each clamping jaw head synchronously inwards contracts and tightly holds the conical head of the hub nut.
The end face of the arc plate B is provided with an arc groove, the direction of the central line of the arc groove is consistent with the axial direction of the inner sleeve, the arc groove is used for being sleeved on the conical head of the hub nut, and the holding force of each clamping claw head on the conical head of the hub nut can be improved.
A plurality of square notches are uniformly distributed in the inner end part of the outer sleeve along the circumferential direction, the length direction of the notches is consistent with the axial direction of the outer sleeve, arc-shaped toothed plates with the same number as the elastic plates are formed between every two adjacent notches, the arc-shaped toothed plates are opposite to the elastic plates, a semi-circular hoop is sleeved on the inner end part of the outer sleeve, a clamping head is arranged in the middle of the inner side surface of the semi-circular hoop, and the clamping head is clamped in one of the notches in a matched mode; inner skleeve can rotate along with it when tightening up the stay bolt, is unfavorable for pulling the inner skleeve fast and removes and tighten up the gripper jaw head, and the in-process that the speed was measured on the wheel hub nut is connected to wheel hub nut gripper simultaneously, and the gravity of speed sensor self also can lead to the relative inner skleeve of outer skleeve to rotate, influences the accuracy that tests the speed, the dop card of clamp is gone into and can play spacing effect in the breach, avoids inner skleeve and outer skleeve relative rotation.
One side of crossing semi-circular clamp is equipped with the through-hole, is equipped with the screw hole on the arc pinion rack that corresponds with the through-hole, has inserted the screw between screw hole and the through-hole, will cross semi-circular clamp through the screw and fix and die on the outer sleeve, guarantee the spacing effect of dop.
The length of the inner sleeve is smaller than that of the outer sleeve, so that the inner sleeve can flow out of the sliding space in the outer sleeve.
The installation process and principle of the invention are as follows:
firstly, loosening a bolt between an inner sleeve and an outer sleeve, pulling out the inner sleeve outwards, sleeving each clamping jaw head of the inner sleeve towards a hub nut, enabling the clamping jaw head to firstly contact a fillet at the edge of the outer end of the hub nut (the edge of the outer end face of the hub nut is provided with a fillet, and the purpose is to conveniently sleeve a wrench during disassembly or assembly), and enabling each clamping jaw head to smoothly enter the side face of the hub nut and be clamped into a conical head under the guiding action of the fillet;
secondly, tightening the bolts to inwards press the outer sleeve, wherein the arc-shaped plate A of each clamping claw head is contacted with the inner edge of the port of the outer sleeve in the process, the pressing force of the inner edge forces the elastic plate to elastically deform inwards, and each clamping claw head synchronously contracts inwards;
and thirdly, the arc-shaped grooves on the arc-shaped plates on the outer sides of the clamping claw heads synchronously move in opposite directions and are clamped on the conical head of the hub nut, the inner end of the elastic plate is tightly held on the hexagonal side face of the hub nut, the gripper can be firmly fixed on the hub nut by the axial limiting function of the conical surface and the elastic tightening force of the clamping claw heads, looseness is not prone to occurring, and the safety of the externally-hung speed measuring device in the speed measuring process is guaranteed.
Claims (6)
1. The utility model provides a hub nut gripper which characterized by:
comprises a circular outer sleeve, a circular inner sleeve and a long bolt;
the one end opening of outer sleeve, the other end is equipped with end plate A, the center of end plate A is equipped with the round hole, the coaxial cover of inner skleeve is in the outer sleeve, the interior terminal surface of inner skleeve has a plurality of elastic plate along the circumferencial direction equipartition, be equipped with certain interval between the elastic plate to be equipped with the centre gripping claw head in the inner of elastic plate, the centre gripping claw head is located the port outside of outer sleeve, the outer port of inner skleeve is equipped with end plate second, the center of end plate second is equipped with the screw hole, the round hole that the long bolt passed outer end plate A center inserts the screw hole at end plate second center.
2. A hub nut gripper according to claim 1, wherein: the centre gripping claw head include arc A and arc B, arc A connects in the outer end of elastic plate with the gesture that leans out, arc A's lateral surface and the interior border of outer sleeve port correspond, arc A's outer terminal surface is equipped with the intermediate lamella along the axial, arc B connects in the outer end of intermediate lamella and is symmetrical structure with arc A.
3. A hub nut gripper according to claim 2, wherein: the end face of the arc-shaped plate B is provided with an arc-shaped groove, and the direction of the central line of the arc-shaped groove is consistent with the axial direction of the inner sleeve.
4. A hub nut gripper according to claim 1, wherein: the inner end part of the outer sleeve is uniformly provided with a plurality of square notches along the circumferential direction, the length direction of the notches is consistent with the axial direction of the outer sleeve, arc-shaped toothed plates with the same quantity as the elastic plates are formed between every two adjacent notches, the arc-shaped toothed plates are opposite to the elastic plates, a semi-circular clamp is sleeved on the inner end part of the outer sleeve, a clamping head is arranged in the middle of the inner side surface of the semi-circular clamp, and the clamping head is clamped into one notch in a matched mode.
5. A hub nut gripper according to claim 4, wherein: one side of the semi-circular hoop is provided with a through hole, the arc toothed plate corresponding to the through hole is provided with a threaded hole, and a screw is inserted between the threaded hole and the through hole.
6. A hub nut gripper according to claim 1, wherein: the length of the inner sleeve is less than the length of the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210816575.5A CN115157146B (en) | 2022-07-12 | 2022-07-12 | Hub nut gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210816575.5A CN115157146B (en) | 2022-07-12 | 2022-07-12 | Hub nut gripper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115157146A true CN115157146A (en) | 2022-10-11 |
| CN115157146B CN115157146B (en) | 2024-03-12 |
Family
ID=83493069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210816575.5A Active CN115157146B (en) | 2022-07-12 | 2022-07-12 | Hub nut gripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115157146B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1626247A2 (en) * | 2004-08-06 | 2006-02-15 | Gino Ferrari | Support device |
| CN200948545Y (en) * | 2006-06-30 | 2007-09-19 | 重庆工学院 | Device for extracting machine taper shank cutter from cutter shaft |
| TW200740551A (en) * | 2006-04-26 | 2007-11-01 | Prec Machinery Res & Dev Ct | Champing mechanism for tool shank with pull stud |
| CN201497745U (en) * | 2009-08-22 | 2010-06-02 | 襄樊达安汽车检测中心 | Automobile wheel speed sensor stationary fixture |
| CN103144054A (en) * | 2013-02-07 | 2013-06-12 | 上海一成汽车检测设备科技有限公司 | Single-point clamp of four-wheel aligner for automobile and using method thereof |
| CN206690128U (en) * | 2017-03-08 | 2017-12-01 | 浙江工业职业技术学院 | A kind of close-coupled mechanical paw |
| CN111366297A (en) * | 2019-06-27 | 2020-07-03 | 襄阳达安汽车检测中心有限公司 | Detection support of detection device of tire pressure monitoring system |
| CN212653299U (en) * | 2020-06-01 | 2021-03-05 | 中国第一汽车股份有限公司 | Wheel nut clamping sleeve device |
-
2022
- 2022-07-12 CN CN202210816575.5A patent/CN115157146B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1626247A2 (en) * | 2004-08-06 | 2006-02-15 | Gino Ferrari | Support device |
| TW200740551A (en) * | 2006-04-26 | 2007-11-01 | Prec Machinery Res & Dev Ct | Champing mechanism for tool shank with pull stud |
| CN200948545Y (en) * | 2006-06-30 | 2007-09-19 | 重庆工学院 | Device for extracting machine taper shank cutter from cutter shaft |
| CN201497745U (en) * | 2009-08-22 | 2010-06-02 | 襄樊达安汽车检测中心 | Automobile wheel speed sensor stationary fixture |
| CN103144054A (en) * | 2013-02-07 | 2013-06-12 | 上海一成汽车检测设备科技有限公司 | Single-point clamp of four-wheel aligner for automobile and using method thereof |
| CN206690128U (en) * | 2017-03-08 | 2017-12-01 | 浙江工业职业技术学院 | A kind of close-coupled mechanical paw |
| CN111366297A (en) * | 2019-06-27 | 2020-07-03 | 襄阳达安汽车检测中心有限公司 | Detection support of detection device of tire pressure monitoring system |
| CN212653299U (en) * | 2020-06-01 | 2021-03-05 | 中国第一汽车股份有限公司 | Wheel nut clamping sleeve device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115157146B (en) | 2024-03-12 |
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