CN203624949U - Adjustable type hydraulic jack with sliding block locking structure - Google Patents
Adjustable type hydraulic jack with sliding block locking structure Download PDFInfo
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- CN203624949U CN203624949U CN201320853896.9U CN201320853896U CN203624949U CN 203624949 U CN203624949 U CN 203624949U CN 201320853896 U CN201320853896 U CN 201320853896U CN 203624949 U CN203624949 U CN 203624949U
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- bracket
- slide block
- side plate
- hydraulic jack
- forearm
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Abstract
The utility model discloses an adjustable type hydraulic jack with a sliding block locking structure and belongs to the technical field of lifting devices. The adjustable type hydraulic jack comprises a rack, a hydraulic component, a cargo boom component and a pressing handle. The cargo boom component comprises a bracket, a front arm and a back arm. The bracket comprises a handle, a bracket left side plate, a bracket right side plate and a bracket fixing pin, the bracket is connected to one end of the front arm, the other end of the front arm is connected with one end of the back arm, and the other end of the back arm is connected to the rack. The adjustable type hydraulic jack is characterized in that a side plate left insertion port is formed in the bottom of the bracket left side plate in the height direction, and a side plate right left insertion port is formed in the bottom of the bracket right side plate in the height direction; a left sliding chute and a right sliding chute are formed in the left side face and the right side face of the front arm respectively, and a spring fixing pin is fixed to the upper end of the front arm in the height direction; a sliding block locking device is additionally arranged between the bracket and the front arm and comprises a left sliding block, a right sliding block, a spring and at least one hinge pin. The adjustable type hydraulic jack is simple in structure, convenient to install, low in cost, easy and quick to operate, safe and long in service life.
Description
Technical field
The utility model belongs to lifting device technical field, is specifically related to a kind of adjustable hydraulic jack with slide block locking structure, is the improvement to the hoisting arm structure on existing horizontal hydraulic jack.
Background technology
Common horizontal hydraulic jack in the market, mainly comprise frame, hydraulic unit, crane arm parts, connecting rod and press hand, described crane arm parts comprise crane arm and are located at the bracket on crane arm, one end pivotal joint of described connecting rod in frame, the other end pivotal joint of connecting rod is on the bracket of crane arm parts.In the time of lifting, press hand by repeatedly pressing down, promote crane arm parts by hydraulic unit and up kick up, final by the bracket on crane arm by weight jacking.The problem that said structure exists is: for the horizontal hydraulic jack of same specification, when one timing of the parameters such as oil pressure, stroke, because the length of crane arm and connecting rod all cannot regulate, its lift height and load capacity are definite value, cannot change again, therefore functional single, Applicable scope is narrower.For above-mentioned existing problems, height and the load of lowest order on market, are there is again can effectively changing by adjusting the length of crane arm and connecting rod under a kind of equal Parameter Conditions, as Chinese invention patent Granted publication CN101691194B, a kind of " adjustable hydraulic horizontal jack " disclosed, it is to realize the conversion between crane arm diverse location state by a set pin, specifically: in the time that set pin is used for analog bracket and forearm, crane arm and connecting rod are in folding position state, and in the time that set pin is used for fixing forearm and postbrachium, crane arm and connecting rod are in normal position state, it is this that to change the operation of crane arm location status by set pin more loaded down with trivial details, and there is in actual use potential safety hazard.And for example Chinese utility model patent Granted publication CN202358873U, a kind of " with the hydraulic horizontal jack with adjustable erector arm of fastener device " disclosed, it is to realize the conversion between crane arm diverse location state by fastener device, but fastener device is arranged on bracket, both are positioned at same position height, when crane arm is during in jacking, if misoperation, be easy to encounter fastener device, cause fastener device to damage, thereby affect service life; In addition, the tooling cost of this structure is higher, installs loaded down with trivial details.
For this reason, the applicant has done actively and actv. is explored, and has finally found the technical scheme addressing the above problem, and has taked under strict secrecy provision, to the experiment proved that it is practicable.
Summary of the invention
Task of the present utility model be to provide a kind of simple in structure, easy for installation, cost is low, the adjustable hydraulic jack with slide block locking structure of simple to operation, safety, reliable in action, long service life.
Task of the present utility model completes like this, a kind of adjustable hydraulic jack with slide block locking structure, comprise frame, hydraulic unit, crane arm parts and press hand, described crane arm parts comprise bracket, forearm and postbrachium, described bracket comprises handle, bracket left side board, bracket right side board and bracket set pin, bracket is the one end at forearm by bracket set pin pivotal joint, the other end of forearm is by one end pivotal joint of adapter shaft and postbrachium, the other end pivotal joint of postbrachium is in frame, be characterized in: described bracket left side board offers the left socket of a side plate that Open Side Down in the bottom of short transverse, described bracket right side board offers the right socket of a side plate that Open Side Down in the bottom of short transverse, described forearm offers symmetrically left chute and right rail, is fixed with a spring set pin in the upper end of short transverse on arranged on left and right sides side, between described bracket and described forearm, also have additional a sliding block locking device, this sliding block locking device comprises left slider, right slide block, spring and at least one piece of bearing pin, described bearing pin is located in left chute, in right rail and can move up and down, the two axial ends of bearing pin respectively with described left slider, right slide block connects, corresponding and both insertings mutually in the position of described left slider and the described left socket of side plate, corresponding and both insertings mutually in the position of described right slide block and the described right socket of side plate, one end of described spring is connected with spring set pin, the other end of spring is connected with described bearing pin.
In a specific embodiment of the present utility model, the position of the described right socket of side plate is corresponding with the position of the described left socket of side plate, and is U-shaped opening.
In another specific embodiment of the present utility model, described left chute, the rectangular channel that right rail is strip.
In another specific embodiment of the present utility model, described forearm is fixed with respectively left slider permanent seat in the both sides of left chute Width, is formed with the slideway for sliding up and down for described left slider between a pair of left slider permanent seat therein; Described forearm is fixed with respectively right slide block permanent seat in the both sides of right rail Width, is formed with the slideway for sliding up and down for described right slide block between a pair of right slide block permanent seat therein.
In another specific embodiment of the present utility model, one end of described spring is connected to the nearly medium position place of described spring set pin length direction, and the other end of spring is connected to the nearly medium position place of described bearing pin length direction.
Also have in a specific embodiment of the present utility model, between the two axial ends of described bearing pin and described left slider, right slide block, adopt fastener structure for removably connecting.
In of the present utility model and then a specific embodiment, the quantity of described bearing pin is preferably two, is upper and lower interval and arranges.
More of the present utility model and in a specific embodiment, described forearm is formed with crotch in the end, one end being connected with described postbrachium, described postbrachium is provided with for hooking the lock pin of joining for crotch on the one end being connected with described forearm.
The utility model is owing to having additional sliding block locking device between the bracket described and described forearm, when sliding block locking device is down pressed, drive bearing pin together toward pressing down, left slider, right slide block depart from respectively and the coordinating of the right socket of side plate on the left socket of side plate and bracket right side board on bracket left side board, at this moment bracket and forearm release, and forearm and postbrachium can be set level by crotch and coordinating of lock pin, crane arm parts are in normal expanded position state; In the time crane arm parts will being converted to folding position state from expanded position state, by spring band untie-sell axle past top offset in left and right chute, and drive springs in the left socket of side plate, the right socket of side plate to top offset together with right slide block automatically with the left slider that bearing pin connects, make bracket with forearm structure for being fixedly connected with, have advantages of simple in structure, easy for installation, cost is low, simple to operation, safety, reliable in action, long service life.
Accompanying drawing explanation
Fig. 1 is an embodiment three-dimensional exploded view of the present utility model.
Fig. 2 be Fig. 1 embodiment at crane arm parts the three-dimensional structure diagram in normal expanded position state.
Fig. 3 three-dimensional structure diagram during in folding position state that is Fig. 1 embodiment at crane arm parts.
In figure: 1. frame; 2. hydraulic unit; 3. crane arm parts, 31. brackets, 311. handles, 312. bracket left side boards, the left socket of 3121. side plate, 313. bracket right side boards, the right socket of 3131. side plate, 314. bracket set pins, 32. forearms, 321. left chutes, 3211. left slider permanent seats, 322. right rails, 3221. right slide block permanent seats, 323. crotches, 324. spring set pins, 33. postbrachiums, 331. lock pins, 34. adapter shafts; 4. press hand; 5. sliding block locking device, 51. left sliders, 52. bearing pins, 53. springs, 54. right slide blocks.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, applicant elaborates the mode with embodiment below by reference to the accompanying drawings, but be not all the restriction to technical solutions of the utility model to the description of embodiment, any done according to the utility model design only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Refer to Fig. 1 and in conjunction with Fig. 2 and Fig. 3, the utility model relates to a kind of adjustable hydraulic jack with slide block locking structure, comprise frame 1, hydraulic unit 2, crane arm parts 3 and press hand 4.Described crane arm parts 3 comprise bracket 31, forearm 32 and postbrachium 33, described bracket 31 comprises handle 311, bracket left side board 312, bracket right side board 313 and bracket set pin 314, bracket 31 is the one end at forearm 32 by bracket set pin 314 pivotal joints, the other end of forearm 32 is one end pivotal joint with postbrachium 33 by adapter shaft 34, the other end pivotal joint of postbrachium 33 is in frame 1, described bracket left side board 312 offers the left socket 3121 of a side plate that Open Side Down in the bottom of short transverse, described bracket right side board 313 offers the right socket 3131 of a side plate that Open Side Down in the bottom of short transverse, the position of the right socket 3131 of described side plate is corresponding with the position of the described left socket 3121 of side plate.Described forearm 32 offers symmetrically left chute 321 and right rail 322, is fixed with a spring set pin 324 in the upper end of short transverse on arranged on left and right sides side.Between described bracket 31 and described forearm 32, also have additional a sliding block locking device 5, this sliding block locking device 5 comprises left slider 51, right slide block 54, spring 53 and at least one piece of bearing pin 52, described bearing pin 52 is located in left chute 321, in right rail 322 and can move up and down, the two axial ends of bearing pin 52 respectively with described left slider 51, right slide block 54 connects, corresponding and both insertings mutually in the position of described left slider 51 and the described left socket 3121 of side plate, corresponding and both insertings mutually in the position of described right slide block 54 and the described right socket 3131 of side plate, one end of described spring 53 is connected with spring set pin 324, the other end of spring 53 is connected with described bearing pin 52.Here it should be noted that: the left slider 51 described in sliding block locking device 5 or right slide block 54, iff one that uses wherein, can reach the object of locking equally, therefore also belong to the claimed scope of the technical program.
The position of the right socket 3131 of described side plate is corresponding with the position of the described left socket 3121 of side plate, and shape is unrestricted, is preferably in the present embodiment U-shaped opening.
Described left chute 321, the shape of right rail 322 are unrestricted equally, are preferably in the present embodiment the rectangular channel of strip.
Described forearm 32 is fixed with respectively left slider permanent seat 3211 in the both sides of left chute 321 Widths, is formed with the slideway playing the guiding role for sliding up and down for described left slider 51 between a pair of left slider permanent seat 3211 therein; Described forearm 32 is fixed with respectively right slide block permanent seat 3221 in the both sides of right rail 322 Widths, is formed with the slideway playing the guiding role for sliding up and down for described right slide block 54 between a pair of right slide block permanent seat 3221 therein.
Described spring 53 can be extension spring, stage clip or other return mechanism, as long as can realize the self-return of spring 53.The connection location of the two ends of this spring 53 and described spring set pin 324, bearing pin 52 is also unrestricted, in the present embodiment, one end of spring 53 is connected to the nearly medium position place of described spring set pin 324 length directions, and the other end of spring 53 is connected to the nearly medium position place of described bearing pin 52 length directions.
Connection mode between the two axial ends of described bearing pin 52 and described left slider 51, right slide block 54 is unrestricted, preferably adopts in the present embodiment fastener if the structure such as screw, bolt is for removably connecting.
The quantity of described bearing pin 52 is unrestricted, is preferably in the present embodiment two, is upper and lower interval and arranges.
Described forearm 32 is formed with crotch 323 in the end, one end being connected with described postbrachium 33, and described postbrachium 33 is provided with for hooking the lock pin 331 of joining for crotch 323 on the one end being connected with described forearm 32.
Please continue to refer to Fig. 1 and in conjunction with Fig. 2 and Fig. 3, narrate principle of work of the present utility model.When sliding block locking device 5 is down pressed, drive bearing pin 52 together toward pressing down, the upper end of described left slider 51, right slide block 54 departs from respectively and the coordinating of the right socket 3131 of side plate on the left socket 3121 of side plate and bracket right side board 313 on bracket left side board 312, at this moment bracket 31 and forearm 32 releases, and forearm 32 can be done anticlockwise direction rotation around adapter shaft 34, until the crotch 323 on forearm 32 catches on lock pin 331, forearm 32 and postbrachium 33 can be set level, and crane arm parts 3 are in normal expanded position state (as shown in Figure 2); Under this normal expanded position state, hydraulic jack can jacking load light, the lower automobile in chassis, as car class automobile.In the time crane arm parts will being converted to folding position state from expanded position state, first, making forearm 32 make clockwise direction around adapter shaft 34 rotates to upright position, then drive bearing pin 52 at left chute 321 by spring 53, past top offset in right rail 322, and drive the left slider 51 that connects with bearing pin 52 respectively together with right slide block 54 at a pair of left slider permanent seat 3211, in slideway in the middle of right slide block permanent seat 3221 to top offset, and make left slider 51, the upper end of right slide block 54 respectively appliance for releasing single enters the left socket 3121 of side plate, in the right socket 3131 of side plate, make bracket 31 with forearm 32 both structures for being fixedly connected with, now crane arm parts 3 are in folding position state, as shown in Figure 3, at crane arm parts, under the state of folding position when lifting, automobile that can jacking load is heavier, chassis is higher, as the sports type high-mobility, multipurpose, wheeled vehicle gas cars (SUV) such as cross-country car or pick up class automobile.
In sum, the technical scheme that the utility model provides has made up the shortcoming in prior art, has reached goal of the invention, has embodied non-obvious technique effect.
Claims (8)
1.
a kind of adjustable hydraulic jack with slide block locking structure, comprise frame (1), hydraulic unit (2), crane arm parts (3) and press hand (4), described crane arm parts (3) comprise bracket (31), forearm (32) and postbrachium (33), described bracket (31) comprises handle (311), bracket left side board (312), bracket right side board (313) and bracket set pin (314), bracket (31) is the one end in forearm (32) by bracket set pin (314) pivotal joint, the other end of forearm (32) is one end pivotal joint with postbrachium (33) by adapter shaft (34), the other end pivotal joint of postbrachium (33) is in frame (1), it is characterized in that: described bracket left side board (312) offers the left socket of a side plate that Open Side Down (3121) in the bottom of short transverse, described bracket right side board (313) offers the right socket of a side plate that Open Side Down (3131) in the bottom of short transverse, described forearm (32) offers symmetrically left chute (321) and right rail (322), is fixed with a spring set pin (324) in the upper end of short transverse on arranged on left and right sides side, between described bracket (31) and described forearm (32), also have additional a sliding block locking device (5), this sliding block locking device (5) comprises left slider (51), right slide block (54), spring (53) and at least one piece of bearing pin (52), described bearing pin (52) is located in left chute (321), in right rail (322) and can move up and down, the two axial ends of bearing pin (52) respectively with described left slider (51), right slide block (54) connects, corresponding and both insertings mutually in the position of described left slider (51) and the described left socket of side plate (3121), corresponding and both insertings mutually in the position of described right slide block (54) and the described right socket of side plate (3131), one end of described spring (53) is connected with spring set pin (324), the other end of spring (53) is connected with described bearing pin (52).
2.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, the position of the right socket of side plate (3131) described in it is characterized in that is corresponding with the position of the described left socket of side plate (3121), and is U-shaped opening.
3.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, is characterized in that the rectangular channel that described left chute (321), right rail (322) are strip.
4.
according to a kind of adjustable hydraulic jack with slide block locking structure described in claim 1 or 3, it is characterized in that described forearm (32) is fixed with respectively left slider permanent seat (3211) in the both sides of left chute (321) Width, is formed with the slideway for sliding up and down for described left slider (51) therein between a pair of left slider permanent seat (3211); Described forearm (32) is fixed with respectively right slide block permanent seat (3221) in the both sides of right rail (322) Width, is formed with the slideway for sliding up and down for described right slide block (54) between a pair of right slide block permanent seat (3221) therein.
5.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, it is characterized in that one end of described spring (53) is connected to the nearly medium position place of described spring set pin (324) length direction, the other end of spring (53) is connected to the nearly medium position place of described bearing pin (52) length direction.
6.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, is characterized in that adopting fastener structure for removably connecting between the two axial ends of described bearing pin (52) and described left slider (51), right slide block (54).
7.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, is characterized in that the quantity of described bearing pin (52) is preferably two, is upper and lower interval and arranges.
8.
a kind of adjustable hydraulic jack with slide block locking structure according to claim 1, it is characterized in that described forearm (32) is formed with crotch (323) in the end, one end being connected with described postbrachium (33), described postbrachium (33) is provided with for hooking the lock pin (331) of joining for crotch (323) on the one end being connected with described forearm (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853896.9U CN203624949U (en) | 2013-12-23 | 2013-12-23 | Adjustable type hydraulic jack with sliding block locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853896.9U CN203624949U (en) | 2013-12-23 | 2013-12-23 | Adjustable type hydraulic jack with sliding block locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203624949U true CN203624949U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320853896.9U Expired - Fee Related CN203624949U (en) | 2013-12-23 | 2013-12-23 | Adjustable type hydraulic jack with sliding block locking structure |
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| Country | Link |
|---|---|
| CN (1) | CN203624949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708377A (en) * | 2013-12-23 | 2014-04-09 | 常熟通润汽车零部件股份有限公司 | Adjustable hydraulic jack with sliding block locking structure |
| CN106586875A (en) * | 2016-12-27 | 2017-04-26 | 安徽通润汽车零部件有限公司 | Novel hydraulic jack facilitating placement of handle |
| CN110395676A (en) * | 2019-06-27 | 2019-11-01 | 安徽通润汽车零部件有限公司 | A kind of adjustable Horizontal jack |
-
2013
- 2013-12-23 CN CN201320853896.9U patent/CN203624949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708377A (en) * | 2013-12-23 | 2014-04-09 | 常熟通润汽车零部件股份有限公司 | Adjustable hydraulic jack with sliding block locking structure |
| CN106586875A (en) * | 2016-12-27 | 2017-04-26 | 安徽通润汽车零部件有限公司 | Novel hydraulic jack facilitating placement of handle |
| CN110395676A (en) * | 2019-06-27 | 2019-11-01 | 安徽通润汽车零部件有限公司 | A kind of adjustable Horizontal jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20191223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |