CN206336972U - Automobile-used top load double-jointed jack - Google Patents

Automobile-used top load double-jointed jack Download PDF

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Publication number
CN206336972U
CN206336972U CN201720003491.4U CN201720003491U CN206336972U CN 206336972 U CN206336972 U CN 206336972U CN 201720003491 U CN201720003491 U CN 201720003491U CN 206336972 U CN206336972 U CN 206336972U
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CN
China
Prior art keywords
screw rod
screw
jacking sleeve
sliding block
chute
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.)
Expired - Fee Related
Application number
CN201720003491.4U
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Chinese (zh)
Inventor
宋根生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Lituo Machinery Co ltd
Original Assignee
Jiaxing Lituo Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiaxing Lituo Machinery Co Ltd filed Critical Jiaxing Lituo Machinery Co Ltd
Priority to CN201720003491.4U priority Critical patent/CN206336972U/en
Application granted granted Critical
Publication of CN206336972U publication Critical patent/CN206336972U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Automobile-used top load double-jointed jack, including base and housing, housing includes the upper body and lower case being welded and fixed, and lower case is fixed on base by fastener, lower case defines with base and bevel gear wheel and thrust bearing is provided with drive cavity, drive cavity;Lower case is equipped with bevel pinion, and bevel pinion includes rod body part and conial tooth part, and the outer end of rod body part offers through hole, and conial tooth part is engaged with bevel gear wheel;The first screw rod is fixed with bevel gear wheel, the first screw jacket is provided with the second screw rod, the first screw rod and the second screw rod formation step of threads pair;Second screw jacket is provided with jacking sleeve, jacking sleeve and the second screw rod two grades of screw thread pairs of formation, the fixed top in upper end of jacking sleeve;Middle set is arranged with outside jacking sleeve;The inwall of middle set is convexly equipped with sliding block one, and jacking sleeve offers chute one, and sliding block one is built in chute one;The inwall of upper body is convexly equipped with sliding block two, and middle set offers chute two, and sliding block two is built in chute two.

Description

Automobile-used top load double-jointed jack
Technical field
The utility model belongs to technical field of jacks, is related to a kind of automobile-used top load double-jointed jack.
Background technology
The piston mandril of existing jack is all single-unit, and its jacking stroke is all fixed.In the fixed situation of tonnage Under, if further to improve the top lifting height of piston rod, generally require to increase the height of oil cylinder and overcoat.In addition, in jacking In operating process, when the piston stroke of jack is not high enough, it is necessary to continued with the higher jack of another stroke Jacking, operates cumbersome, very inconvenient.This is those skilled in the art's urgent problem to be solved.
But sometimes in jacking operating process, oil leak can also occur occasionally and decline phenomenon, such jack cannot be normal Jacking workpiece, thus there are still can not be in jacking working condition, the shortcomings of security is poor for a long time.If staff It need to enter and be worked under the weight of jack-up, or need long-time jacking weight, then load separately must be propped up with support, just can guarantee that Safety, so operates not only troublesome but also laborious.
Utility model content
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of jacking stroke is big, behaviour Make convenient automobile-used top load double-jointed jack.
The purpose of this utility model can be realized by following technical proposal:
Automobile-used top load double-jointed jack, including base and housing, housing include upper body and lower case, upper case The inside of body and lower case is communicated and is welded and fixed, and lower case is fixed on base by fastener, and lower case is in half Spherical, upper body is in bar shape, and lower case is surrounded with base and defines drive cavity, and bevel gear wheel is provided with drive cavity and is pushed away Power bearing, base has bearing bore one, and the bottom of bevel gear wheel has bearing bore two, and the upper end of thrust bearing, which is embedded, to be fixed on In bearing bore two, the bottom of thrust bearing, which is embedded, to be fixed in bearing bore one;Lower case is obliquely equipped with bevel pinion, Bevel pinion includes rod body part and conial tooth part, and conial tooth part is shaped in the inner of rod body part, and the outer end of rod body part offers confession The through hole that handle is passed through, conial tooth part and the bevel gear wheel of bevel pinion are engaged in drive cavity;First is fixed with bevel gear wheel Screw rod, the first screw jacket is provided with the second screw rod, the first screw rod and the second screw rod formation step of threads pair, the upper end of the first screw rod Portion and the upper end of the second screw rod open up fluted;Second screw jacket is provided with jacking sleeve, jacking sleeve and the second screw rod Form two grades of screw thread pairs, the fixed top in upper end of jacking sleeve;Top includes the top body in cylinder, top body Lower ending opening, top body is set in the upper end of jacking sleeve, and the inwall of top body offers neck one, jacking sleeve The outer wall of upper end offers the neck two towards neck one, and back-up ring is provided between top and jacking sleeve, and back-up ring is embedded at card In groove one and neck two;Top body upper end be integrally formed out four protrusion support blocks, four support blocks be uniformly distributed and Define criss-cross support slot;Middle set is arranged with outside jacking sleeve, the first screw rod, the second screw rod, jacking sleeve and middle set are equal Penetrated from lower case in upper body;The inwall of middle set is convexly equipped with sliding block one, and jacking sleeve is offered from its upper end longitudinal direction The chute one of extension, chute one matches with sliding block one, and the length of chute one is less than the length of jacking sleeve, and sliding block one is built in Chute one;The inwall of upper body is convexly equipped with sliding block two, and middle set offers the chute two from its upper end Longitudinal extending, chute two Match with sliding block two, the length of chute two is less than the length of middle set, sliding block two is built in chute two;Upper body, lower case Body, bevel pinion, jacking sleeve, middle set and the surface of top are coated with antirust paint.
In above-mentioned automobile-used top load double-jointed jack, the first screw rod is included outside screw body and connecting shaft, screw body Surface has screw thread one, and the outside dimension of connecting shaft is less than the outside dimension of screw body, and connecting shaft is shaped in screw body Lower surface;The center of bevel gear wheel has axis hole, and connecting shaft wears the axis hole of bevel gear wheel, and embedded thrust bearing;Second spiral shell Bar has the interface channel that the screw body for the first screw rod is penetrated;The inwall of interface channel is convexly equipped with screw flight portion, screw rod spiral shell The screw thread two that line portion has and screw thread one is matched, screw thread one and the formation step of threads pair of screw thread two.
In above-mentioned automobile-used top load double-jointed jack, the outer surface of the second screw rod has screw thread three;Jacking sleeve has There is the passage one penetrated for the second screw rod, the inwall of passage one is convexly equipped with bush whorl portion, and bush whorl portion is opened under passage one Mouth extends internally, the screw thread four that bush whorl portion has and screw thread three is matched, screw thread three and the two grades of screw thread pairs of formation of screw thread four.
In above-mentioned automobile-used top load double-jointed jack, middle set is with the passage two penetrated for jacking sleeve, sliding block one Adjacent to the upper shed of passage two.
In above-mentioned automobile-used top load double-jointed jack, upper body, which has in confession, covers the passage three penetrated, sliding block two Adjacent to the upper shed of passage three.
In above-mentioned automobile-used top load double-jointed jack, the outside dimension of top body is less than the internal diameter chi of passage three Very little, top of the top in middle set, the lower surface of top body can be resisted against the upper surface of middle set.
In above-mentioned automobile-used top load double-jointed jack, the side wall of lower case offers drive openings, drive openings Place is welded with cone pulley set, and the rod body part of bevel pinion wears cone pulley set, and rod body part surface offers neck three, neck three-phase adjacent to Back-up ring is embedded with the outer face of cone pulley set, neck three, the inner face outside dimension of conial tooth part is more than the internal diameter size that cone pulley covers.
In above-mentioned automobile-used top load double-jointed jack, the connecting shaft of the first screw rod and the axis hole of bevel gear wheel it is transversal The equal semicircular in shape in face.
Compared with prior art, the technical program has the advantage that:
During early stage jacking, what jacking sleeve was subject to is twin-screw effect, and the intensity of twin-screw transmission is big, covers lifting Cylinder can bear higher load;During later stage jacking, the second screw rod rises, and further increases top lifting height so that in shell Also can possess larger jacking stroke in the case of body limited height, stable transmission meets higher use demand, while just In carrying.Top has skidproof effect, improves security during jacking, and the jack also has corrosion resistance, uses the longevity Life is high, and the jack had both been suitable for jacking load compared with the light and relatively low automobile in chassis, is also suitable for that jacking load is heavier and chassis Higher automobile.
Brief description of the drawings
Fig. 1 is the schematic perspective view of automobile-used top load double-jointed jack of the present utility model.
Fig. 2 is the sectional view of automobile-used top load double-jointed jack of the present utility model.
Fig. 3 is the sectional view of the second screw rod of automobile-used top load double-jointed jack of the present utility model.
Fig. 4 is the sectional view of the jacking sleeve of automobile-used top load double-jointed jack of the present utility model.
Fig. 5 is the structural representation of the jacking sleeve of automobile-used top load double-jointed jack of the present utility model.
Fig. 6 is the sectional view of the middle set of automobile-used top load double-jointed jack of the present utility model.
Fig. 7 is the structural representation of the middle set of automobile-used top load double-jointed jack of the present utility model.
Fig. 8 is the sectional view of the housing of automobile-used top load double-jointed jack of the present utility model.
In figure, 1, base;2nd, upper body;3rd, lower case;4th, drive cavity;5th, bevel gear wheel;6th, thrust bearing;7th, bar Body portion;8th, conial tooth part;9th, the first screw rod;10th, the second screw rod;11st, jacking sleeve;12nd, come directly towards;13rd, middle set;14th, sliding block one; 15th, chute one;16th, sliding block two;17th, chute two;18th, screw body;19th, connecting shaft;20th, interface channel;21st, screw flight portion; 22nd, passage one;23rd, bush whorl portion;24th, passage two;25th, passage three;26th, body is come directly towards;27th, back-up ring;28th, support block;29、 Drive openings;30th, cone pulley set.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model Description, but the utility model is not limited to these embodiments.
As shown in Figures 1 to 8, the utility model provides a kind of automobile-used top load double-jointed jack, including base 1 and shell Body, housing includes upper body 2 and lower case 3, and the inside of upper body 2 and lower case 3 communicates and is welded and fixed, bottom Housing 3 is fixed on base 1 by fastener, and lower case 3 is in hemispherical, and upper body 2 is in bar shape, lower case 3 with Base 1, which is surrounded, defines drive cavity 4, bevel gear wheel 5 and thrust bearing 6 is provided with drive cavity 4, bevel gear wheel 5 passes through thrust axis Hold 6 and be rotationally connected with base 1;Base 1 has bearing bore one, and the bottom of bevel gear wheel 5 has bearing bore two, thrust bearing 6 Upper end be embedded and be fixed in bearing bore two, the bottom of thrust bearing 6, which is embedded, to be fixed in bearing bore one.
Lower case 3 is obliquely equipped with the bevel pinion of mechanical rotation, and bevel pinion includes rod body part 7 and conial tooth part 8, Conial tooth part 8 is shaped in the inner of rod body part 7, and conial tooth part 8 is in lower case 3, and the outer end of rod body part 7, which is offered, supplies hand The through hole that handle is passed through, in use, by handle bevel pinion can be operated to rotate, conial tooth part 8 and the bevel gear wheel 5 of bevel pinion are nibbled Together in drive cavity 4, the axial rotation of bevel gear wheel 5 is driven after bevel pinion Forced rotation.
It is fixed with the first screw rod 9 on bevel gear wheel 5, is arranged with the second screw rod 10 outside the first screw rod 9, the first screw rod 9 and the Two screw rods 10 formation step of threads pair, i.e. the first screw rod 9 are connected with the screw thread of the second screw rod 10, under its screw-driven, in its spiral shell Under line transmission, the second screw rod 10 can be moved down with the synchronous axial system of the first screw rod 9 or the second screw rod 10 along on the first screw rod 9 It is dynamic.
Jacking sleeve 11 is arranged with outside second screw rod 10, the screw rod 10 of jacking sleeve 11 and second forms two grades of screw thread pairs, i.e., Jacking sleeve 11 is connected with the screw thread of the second screw rod 10.The fixed top 12 in upper end of jacking sleeve 11, top 12 is used to support car Chassis.
Be arranged with middle set 13 outside jacking sleeve 11, the first screw rod 9, the second screw rod 10, jacking sleeve 11 and middle set 13 from Lower case 3 is penetrated in upper body 2;The inwall of middle set 13 is convexly equipped with sliding block 1, and middle set 13 has to be worn for jacking sleeve 11 The passage 2 24 entered, upper shed of the sliding block 1 adjacent to passage 2 24.Jacking sleeve 11, which is offered from its upper end, longitudinally to be prolonged The chute 1 stretched, chute 1 matches with sliding block 1, and the length of chute 1 is less than the length of jacking sleeve 11, sliding block One 14 are built in chute 1, and the motion after the stress of jacking sleeve 11 is defined to move up and down.
The inwall of upper body 2 is convexly equipped with sliding block 2 16, and upper body 2 has the passages 3 25 that set 13 is penetrated in confession, sliding Upper shed of the block 2 16 adjacent to passage 3 25.Middle set 13 offers the chute 2 17 from its upper end Longitudinal extending, chute two 17 match with sliding block 2 16, and the length of chute 2 17 is less than the length of middle set 13, and sliding block 2 16 is built in chute 2 17, will Motion after 13 stress of middle set is defined to move up and down.Under the screw-driven of the second screw rod 10 and jacking sleeve 11, lifting set Cylinder 11 can be moved up and down along the second screw rod 10, during work, and jacking sleeve 11 rises and by top 12 by vehicle body jack-up, small When bevel gear stops operating, jacking sleeve 11 realizes self-locking by screw thread, so as to be stably maintained at top lifting height.
The operation principle of the automobile-used top load double-jointed jack is:Clockwise bevel pinion, bevel pinion driving bevel gear wheel 5 Rotate, bevel gear wheel 5 drives the first screw rod 9 to rotate, and the second screw rod 10 and the synchronous axial system of the first screw rod 9 drive jacking sleeve 11 Ramped along the second screw rod 10, jacking sleeve 11 drives top 12 by vehicle body jack-up, what during which jacking sleeve 11 was subject to is Twin-screw is acted on, and the intensity of twin-screw transmission is big, jacking sleeve 11 is born higher load;Until the cunning of jacking sleeve 11 When the bottom land of groove 1 is contradicted to sliding block 1 on 13 inwalls of middle set, the convert rotational motion of the second screw rod 10 is linear motion, Second screw rod 10 is ramped along the first screw rod 9, while driving the rising of jacking sleeve 11 and middle set 13, obtains top 12 Further lifting, when the bottom land of the chute 2 17 of middle set 13 is contradicted to sliding block 2 16 on the inwall of upper body 2, now Jacking sleeve 11 reaches highest lifting height, realizes maximum jack-up stroke, meets higher jacking demand;Correspondingly, it is inverse Turn bevel pinion, jacking sleeve 11 declines.The jack has top load, and top lifting height is big, has a wide range of application, easy to carry etc. Feature.
Specifically, the first screw rod 9 includes screw body 18 and connecting shaft 19, and the outer surface of screw body 18 has screw thread one, even The outside dimension of spindle 19 is less than the outside dimension of screw body 18, and connecting shaft 19 is shaped in the lower surface of screw body 18;Greatly The center of bevel gear 5 has the equal semicircular in shape in cross section of axis hole, the connecting shaft 19 of the first screw rod 9 and the axis hole of bevel gear wheel 5, Connecting shaft 19 wears the axis hole of bevel gear wheel 5, and embedded thrust bearing 6, so as to realize the same of the first screw rod 9 and bevel gear wheel 5 Step is rotated.
Second screw rod 10 has the interface channel 20 that the screw body 18 for the first screw rod 9 is penetrated, the length of interface channel 20 More than the length of screw body 18;The inwall of interface channel 20 is convexly equipped with screw flight portion 21, the surface of screw flight portion 21 have and The screw thread two that screw thread one is matched, screw thread one and the formation step of threads pair of screw thread two.Screw flight portion 21 is under interface channel 20 Opening extends internally, and there is its upper shed in preset length, interface channel 20 to extend to screw flight portion 21 in screw flight portion 21 This section of inwall be screw rod smooth department, do not have screw thread, between screw rod smooth department and the first screw rod 9 in gap coordinate.First spiral shell The upper end of bar 9 opens up fluted, plays position-limiting action, prevents that the second screw rod 10 from separating with the first screw rod 9.
The outer surface of second screw rod 10 has screw thread three;Jacking sleeve 11 has the passage one penetrated for the second screw rod 10 22, the inwall of passage 1 is convexly equipped with bush whorl portion 23, and bush whorl portion 23 extends internally from the under shed of passage 1, sleeve Threaded portion 23 has preset length, and bush whorl portion 23 has the screw thread four matched with screw thread three, and screw thread three and screw thread four are formed Two grades of screw thread pairs.This section of inwall that its upper shed extends to bush whorl portion 23 in passage 1 is sleeve smooth department, is not had Screw thread, coordinates between sleeve smooth department and the second screw rod 10 in gap.The upper end of first screw rod 9 opens up fluted, plays limit Position effect, prevents that jacking sleeve 11 from separating with the second screw rod 10.
Top 12 includes the top body 26 in cylinder, comes directly towards the lower ending opening of body 26, and top body 26 is set in The upper end of jacking sleeve 11, the inwall of top body 26 offers neck one, and the outer wall of the upper end of jacking sleeve 11 is opened up There is the neck two towards neck one, neck one and neck two are corresponding, back-up ring 27, gear are provided between top 12 and jacking sleeve 11 Circle 27 is embedded in neck one and neck two, and top 12 and jacking sleeve 11 are fixed by back-up ring 27;Come directly towards the upper end of body 26 The support block 28 of four protrusions is integrally formed out, four support blocks 28 are uniformly distributed and define criss-cross support slot, on top Skidproof effect is played when rising.
The outside dimension for coming directly towards body 26 is less than the internal diameter size of passage 3 25, and top of the top 12 in middle set 13 should When jack is in collapsed state, the lower surface of top body 26 can be resisted against the upper surface of middle set 13.
The side wall of lower case 3, which is offered, is welded with cone pulley set 30 at drive openings 29, drive openings 29, bevel pinion Rod body part 7 wears cone pulley set 30, and the surface of rod body part 7 offers neck three, and neck three-phase covers 30 outer face, neck adjacent to cone pulley Back-up ring 27 is embedded with three, the inner face outside dimension of conial tooth part 8 is more than the internal diameter size that cone pulley covers 30.Bevel pinion by turn During power, active force can stably be passed to bevel gear wheel 5, stable jacking is realized.
Upper body 2, lower case 3, bevel pinion, jacking sleeve 11, middle set 13, top 12 and cone pulley cover 30 surface Antirust paint is coated with, antirust paint is bought in market so that the jack can be anticorrosive.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used base 1 herein;Upper body 2;Lower case 3;Drive cavity 4;Bevel gear wheel 5;Thrust Bearing 6;Rod body part 7;Conial tooth part 8;First screw rod 9;Second screw rod 10;Jacking sleeve 11;Top 12;Middle set 13;Sliding block 1; Chute 1;Sliding block 2 16;Chute 2 17;Screw body 18;Connecting shaft 19;Interface channel 20;Screw flight portion 21;Passage one 22;Bush whorl portion 23;Passage 2 24;Passage 3 25;Come directly towards body 26;Back-up ring 27;Support block 28;Drive openings 29;Cone pulley 30 grade terms are covered, but are not precluded from the possibility using other terms.It is used for the purpose of more easily describing using these terms With explanation essence of the present utility model;Being construed as any additional limitation is disagreed with the utility model spirit The back of the body.

Claims (8)

1. automobile-used top load double-jointed jack, including base and housing, it is characterised in that housing includes upper body and lower case The inside of body, upper body and lower case is communicated and is welded and fixed, and lower case is fixed on base by fastener, bottom Housing is in hemispherical, and upper body is in bar shape, and lower case is surrounded with base and defines drive cavity, provided with auger in drive cavity Gear and thrust bearing, base have bearing bore one, and the bottom of bevel gear wheel has bearing bore two, and the upper end of thrust bearing is embedding If being fixed in bearing bore two, the bottom of thrust bearing, which is embedded, to be fixed in bearing bore one;Lower case is obliquely equipped with Bevel pinion, bevel pinion includes rod body part and conial tooth part, and conial tooth part is shaped in the inner of rod body part, the outer end of rod body part The through hole passed through for handle is offered, conial tooth part and the bevel gear wheel of bevel pinion are engaged in drive cavity;It is solid on bevel gear wheel Surely there is the first screw rod, the first screw jacket is provided with the second screw rod, the first screw rod and the second screw rod formation step of threads pair, the first spiral shell The upper end of bar and the upper end of the second screw rod open up fluted;Second screw jacket be provided with jacking sleeve, jacking sleeve with Second screw rod, two grades of screw thread pairs of formation, the fixed top in upper end of jacking sleeve;Top includes the top body in cylinder, top The lower ending opening of head body, top body is set in the upper end of jacking sleeve, and the inwall of top body offers neck one, risen The outer wall of the upper end of drop sleeve offers the neck two towards neck one, and back-up ring, back-up ring are provided between top and jacking sleeve It is embedded in neck one and neck two;The upper end of top body is integrally formed out the support block of four protrusions, and four support blocks are equal It is even to be distributed and define criss-cross support slot;Middle set, the first screw rod, the second screw rod, jacking sleeve are arranged with outside jacking sleeve Penetrated with middle set from lower case in upper body;The inwall of middle set is convexly equipped with sliding block one, and jacking sleeve is offered from thereon The chute one of end Longitudinal extending, chute one matches with sliding block one, and the length of chute one is less than the length of jacking sleeve, sliding block One is built in chute one;The inwall of upper body is convexly equipped with sliding block two, and middle set offers the chute from its upper end Longitudinal extending Two, chute two matches with sliding block two, and the length of chute two is less than the length of middle set, and sliding block two is built in chute two;Upper case Body, lower case, bevel pinion, jacking sleeve, middle set and the surface of top are coated with antirust paint.
2. automobile-used top load double-jointed jack according to claim 1, it is characterised in that the first screw rod include screw body and Connecting shaft, the outer surface of screw body has screw thread one, and connecting shaft is shaped in the lower surface of screw body;The center of bevel gear wheel With axis hole, connecting shaft wears the axis hole of bevel gear wheel, and embedded thrust bearing;Second screw rod has the screw rod for the first screw rod The interface channel that body is penetrated;The inwall of interface channel is convexly equipped with screw flight portion, and screw flight portion has what is matched with screw thread one Screw thread two, screw thread one and the formation step of threads pair of screw thread two.
3. automobile-used top load double-jointed jack according to claim 1 or 2, it is characterised in that the outer surface of the second screw rod With screw thread three;Jacking sleeve has the passage one penetrated for the second screw rod, and the inwall of passage one is convexly equipped with bush whorl portion, sleeve Threaded portion extends internally from the under shed of passage one, the screw thread four that bush whorl portion has and screw thread three is matched, screw thread three and spiral shell The two grades of screw thread pairs of formation of line four.
4. automobile-used top load double-jointed jack according to claim 1, it is characterised in that middle set has to be worn for jacking sleeve The passage two entered, upper shed of the sliding block one adjacent to passage two.
5. automobile-used top load double-jointed jack according to claim 1, it is characterised in that upper body, which has in confession, to be worn The passage three entered, upper shed of the sliding block two adjacent to passage three.
6. automobile-used top load double-jointed jack according to claim 5, it is characterised in that the outside dimension of top body is small In the internal diameter size of passage three, top of the top in middle set, the lower surface of top body can be resisted against the upper surface of middle set.
7. automobile-used top load double-jointed jack according to claim 1, it is characterised in that the side wall of lower case is offered Cone pulley set is welded with drive openings, drive openings, the rod body part of bevel pinion wears cone pulley set, and rod body part surface offers card Back-up ring is embedded with groove three, the outer face that neck three-phase covers adjacent to cone pulley, neck three, the inner face outside dimension of conial tooth part is more than The internal diameter size of cone pulley set, the surface spraying antirust paint of cone pulley set.
8. automobile-used top load double-jointed jack according to claim 2, it is characterised in that the connecting shaft of the first screw rod and big The equal semicircular in shape in cross section of the axis hole of bevel gear.
CN201720003491.4U 2017-01-03 2017-01-03 Automobile-used top load double-jointed jack Expired - Fee Related CN206336972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720003491.4U CN206336972U (en) 2017-01-03 2017-01-03 Automobile-used top load double-jointed jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720003491.4U CN206336972U (en) 2017-01-03 2017-01-03 Automobile-used top load double-jointed jack

Publications (1)

Publication Number Publication Date
CN206336972U true CN206336972U (en) 2017-07-18

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Application Number Title Priority Date Filing Date
CN201720003491.4U Expired - Fee Related CN206336972U (en) 2017-01-03 2017-01-03 Automobile-used top load double-jointed jack

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110255419A (en) * 2019-04-29 2019-09-20 西安华欧精密机械有限责任公司 A kind of electric jar for bearing ball silk bar
CN110668345A (en) * 2019-10-30 2020-01-10 泰州市汇顶机械制造有限公司 Mechanical jack convenient to remove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110255419A (en) * 2019-04-29 2019-09-20 西安华欧精密机械有限责任公司 A kind of electric jar for bearing ball silk bar
CN110668345A (en) * 2019-10-30 2020-01-10 泰州市汇顶机械制造有限公司 Mechanical jack convenient to remove

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Address after: 314214 No. 158 Jingxing Road, Caoqiao Street, Pinghu City, Jiaxing City, Zhejiang Province

Patentee after: Jiaxing Lituo Machinery Co.,Ltd.

Address before: 314214 No. 158 Jingxing Road, Caoqiao Street, Pinghu City, Jiaxing City, Zhejiang Province

Patentee before: JIAXING LITUO MACHINERY Co.,Ltd.

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