CN212246050U - Scissor jack and base thereof - Google Patents
Scissor jack and base thereof Download PDFInfo
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- CN212246050U CN212246050U CN202020216035.XU CN202020216035U CN212246050U CN 212246050 U CN212246050 U CN 212246050U CN 202020216035 U CN202020216035 U CN 202020216035U CN 212246050 U CN212246050 U CN 212246050U
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- base
- bottom plate
- roll
- support arm
- base body
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Abstract
The utility model relates to a lifting means technical field discloses a scissor jack's base, and it includes base body and prevents the heeling support arm, and base body has the base face, prevents that heeling support arm swing joint from expanding and drawing in with the mode that is close to base body on base body and can keep away from base body, prevents that the heeling support arm has the holding surface, and the parallel and level is in the base face when preventing the heeling support arm and expand. Based on above-mentioned structure, the utility model provides a base has stronger anti-roll ability on the one hand, and the security is good, and on the other hand still has less size and lighter weight, consequently can satisfy the lightweight requirement of car, is accepted by whole car factory more easily. The utility model also provides a scissor jack, because it has adopted foretell base, consequently have the strong, the little, advantage such as light in weight of size of ability of preventing heeling.
Description
Technical Field
The utility model relates to a lifting means technical field especially relates to a scissor jack and base thereof.
Background
The scissor jack is the most widely applied one of the current mechanical jacks for vehicles, is used as a practical vehicle-mounted tool in the processes of replacing tires and loading and unloading antiskid chains of vehicles, and has the advantages of simple structure, convenient operation, small occupied space and the like.
In addition to the need for a scissor jack with high load bearing capacity to support the vehicle and keep the tires off the ground during use, the most important performance requirement in terms of safety is to prevent rolling. From the basic principle, the anti-roll function of the jack is directly related to the size of the base thereof: the larger the base is, the stronger the anti-roll capability is; the smaller the base, the weaker the anti-roll ability. However, the requirement for the anti-roll function of the jack in the current jack industry design specification is less, so that all jack manufacturers generally design the size of the base of the jack according to experience for the whole vehicle factory to select types. Under the trend of light weight of automobiles, a large-size base which can obviously increase the overall weight of the jack is not very willing to be accepted, so that the anti-roll capability of the scissor jack equipped in the existing automobile is not strong, and the safety is not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small in size, light in weight, but have the base of stronger anti-heeling ability and reach including its scissor jack.
In order to achieve the above object, the utility model provides a scissor jack's base, it includes:
a base body having a base surface;
the anti-roll support arm is movably connected to the base body and can be unfolded in a mode of being far away from the base body and folded in a mode of being close to the base body, the anti-roll support arm is provided with a support surface, and the support surface is flush with the base surface when the anti-roll support arm is unfolded.
Preferably, the base body includes a bottom plate portion and a wing plate portion, a bottom surface of the bottom plate portion is the base surface, the wing plate portion is provided at an edge of the bottom plate portion, and the anti-roll arm is hinged to the wing plate portion.
Preferably, the base body further comprises two connecting plate portions for connecting the jacking arm, and the two connecting plate portions are arranged on the top surface of the bottom plate portion along the front-back direction of the base body.
Preferably, the two connecting plates are respectively arranged on the front side edge and the rear side edge of the bottom plate part.
Preferably, the wing plate portions are two in number, the two are respectively disposed at the left side edge and the right side edge of the bottom plate portion, the anti-roll arms are four in number and divided into two groups in a form of one group of two, the first group of two anti-roll arms are respectively hinged to the front ends of the two wing plate portions and can be unfolded forward, and the second group of two anti-roll arms are respectively hinged to the rear ends of the two wing plate portions and can be unfolded backward.
Preferably, the rotation plane of the anti-roll arm coincides with or is parallel to the plane of the bottom plate, and the bottom surface of the anti-roll arm is the support surface and is flush with the bottom surface of the bottom plate.
Preferably, the front end of the flap portion protrudes from the front edge of the bottom plate portion, and the two anti-roll arms of the first group form a split structure;
the rear end of the wing plate part protrudes out of the rear side edge of the bottom plate part, and the two anti-side-tipping support arms of the second group form a split structure.
Preferably, the first set of two anti-roll arms are closed to abut against the front edge of the bottom plate portion, and the second set of two anti-roll arms are closed to abut against the rear edge of the bottom plate portion.
Preferably, the first set of two anti-roll arms are deployed perpendicular to the front edge of the bottom plate portion, and the second set of two anti-roll arms are deployed perpendicular to the rear edge of the bottom plate portion.
Another object of the present invention is to provide a scissor jack, which includes the above-mentioned base.
The utility model provides a scissor jack's base, compared with the prior art, its beneficial effect lies in:
the utility model provides a scissor jack's base includes base body and prevents the heeling support arm, and base body has the base face, prevents that heeling support arm swing joint from unfolding and drawing in with the mode that is close to base body on base body and can keep away from base body, prevents that the heeling support arm has the holding surface, and the parallel and level is in the base face when preventing the heeling support arm and unfolding. Based on the structure, in the using process of the jack, the anti-roll support arm of the base is unfolded, so that the contact area between the anti-roll support arm and the ground can be increased, and the stability and the anti-roll capability can be improved; when the jack is not used, the anti-tilting support arm of the base is folded, so that the size of the jack can be reduced, and the jack is convenient to store for later use. Based on this, the utility model provides a base has stronger anti-roll ability on the one hand, and the security is good, and on the other hand still has less size and lighter weight, consequently can satisfy the lightweight requirement of car, is accepted by whole car factory more easily.
Additionally, the utility model also provides a scissor jack, because it has adopted foretell base, consequently have the strong, small in size of ability of preventing heeling, advantage such as light in weight.
Drawings
Fig. 1 is a schematic structural diagram of a base (when the anti-roll arm is folded) of a scissor jack according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a base (when the anti-roll arm is unfolded) of the scissor jack according to an embodiment of the present invention.
In the figure: 1. a base body; 11. a bottom plate portion; 12. a flap portion; 13. a connecting plate portion; 2. an anti-roll arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention. In addition, the utility model provides a "preceding" indicates that the jack is when using the locomotive orientation, and "back" indicates that the jack is when using the rear of a vehicle orientation.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a base of a scissor jack, which mainly includes a base body 1 and an anti-roll arm 2; the base body 1 has a base surface for contacting a plane supporting the jack; the anti-roll support arm 2 is movably connected to the base body 1 and can be unfolded in a mode of being far away from the base body 1 and folded in a mode of being close to the base body 1, the anti-roll support arm 2 is provided with a support surface, and the support surface is flush with a base surface when the anti-roll support arm 2 is unfolded.
Based on the structure, in the using process of the jack, the anti-roll support arm 2 of the base is unfolded, so that the contact area between the anti-roll support arm and the ground can be increased, and the stability and the anti-roll capability can be improved; when the jack is not used, the anti-roll support arm 2 of the base is folded, so that the size of the jack can be reduced, and the jack is convenient to store for later use. Based on this, the utility model provides a base has stronger anti-roll ability on the one hand, and the security is good, and on the other hand still has less size and lighter weight, consequently can satisfy the lightweight requirement of car, is accepted by whole car factory more easily.
Specifically, as shown in fig. 1 and 2, the base body 1 includes a bottom plate portion 11, a wing plate portion 12, and a connecting plate portion 13; the bottom surface of the bottom plate part 11 is the base surface, the wing plate part 12 is arranged at the edge of the bottom plate part 11, and the anti-roll supporting arm 2 is hinged to the wing plate part 12 through a rivet; the connecting plate 13 is used to connect two lifting arms of the scissor jack, and the two lifting arms are vertically arranged on the top surface of the bottom plate 11 along the front-back direction of the base body 1 and are arranged oppositely. Preferably, the two connecting plates in the present embodiment are provided at the front-side edge and the rear-side edge of the bottom plate portion 11, respectively, to reduce the size of the bottom plate portion 11 as much as possible.
Further, as shown in fig. 1 and 2, since the jack is more easily tilted forward or backward when used for changing tires and loading/unloading a snow chain of an automobile, the anti-roll arms 2 are generally provided in two sets, the first set of the anti-roll arms 2 is deployed in the front of the base body 1, and the second set of the anti-roll arms 2 is deployed in the rear of the base body 1. Specifically, the two wing plate portions 12 are provided at the left and right side edges of the bottom plate portion 11, the anti-roll arms 2 are provided in four and divided into two groups in a form of a group of two, the first group of two anti-roll arms 2 are hinged to the front ends of the two wing plate portions 12, respectively, and can be unfolded forward, and the second group of two anti-roll arms 2 are hinged to the rear ends of the two wing plate portions 12, respectively, and can be unfolded backward.
Optionally, as shown in fig. 1 and fig. 2, as a specific embodiment of the base provided by the present invention, the rotation plane of the anti-roll support arm 2 coincides with or is parallel to the plane where the bottom plate 11 is located, the bottom surface of the anti-roll support arm 2 is the support surface, and the support surface is flush with the bottom surface of the bottom plate 11, that is, no matter the anti-roll support arm 2 is in the unfolding state or the folding state, the support surface of the anti-roll support arm 2 is always flush with the base surface of the base body 1. Therefore, the utility model provides a stability of base has obtained further promotion, the condition that its holding surface is not the parallel and level with base body 1's base face after the anti-roll support arm 2 expandes can not appear.
Alternatively, as shown in fig. 1 and 2, as a specific embodiment of the base provided by the present invention, the front end of the wing plate portion 12 protrudes from the front side edge of the bottom plate portion 11, the first group of two anti-roll arms 2 forms a split structure, and the group of two anti-roll arms 2 is close to the front side edge of the bottom plate portion 11 when folded and perpendicular to the front side edge of the bottom plate portion 11 when unfolded; similarly, the rear end of the wing portion 12 projects beyond the rear edge of the bottom plate portion 11, the two anti-roll arms 2 of the second set are formed in a split configuration, and the two anti-roll arms 2 of the set abut against the rear edge of the bottom plate portion 11 when folded and are perpendicular to the rear edge of the bottom plate portion 11 when unfolded. Therefore, when the anti-roll supporting arm 2 is folded, the size of the base can be reduced to the maximum extent, so that the base is convenient to store for later use; when the anti-roll support arm 2 is unfolded, the size of the base can be increased to the maximum extent, so that the anti-roll capability of the base can be fully exerted.
Finally, the embodiment of the utility model provides a still provide a scissor jack, it includes foretell base, so, should cut scissor jack has advantages such as anti-heeling ability reinforce, the size is little, light in weight.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A base for a scissor jack, comprising:
a base body having a base surface;
the anti-roll support arm is movably connected to the base body and can be unfolded in a mode of being far away from the base body and folded in a mode of being close to the base body, the anti-roll support arm is provided with a support surface, and the support surface is flush with the base surface when the anti-roll support arm is unfolded.
2. The scissor jack base of claim 1, wherein:
the base body comprises a bottom plate part and a wing plate part, the bottom surface of the bottom plate part is the base surface, the wing plate part is arranged on the edge of the bottom plate part, and the anti-side-tipping support arm is hinged to the wing plate part.
3. The scissor jack base of claim 2, wherein:
the base body further comprises two connecting plate parts used for being connected with the jacking support arm, and the two connecting plate parts are arranged along the front and back direction of the base body and are arranged on the top surface of the bottom plate part.
4. The scissor jack base of claim 3, wherein:
the two connecting plates are respectively arranged on the front side edge and the rear side edge of the bottom plate part.
5. The scissor jack base of claim 3, wherein:
the wing plate parts are two in number and are respectively arranged at the left side edge and the right side edge of the bottom plate part, the anti-side-tipping support arms are four in number and are divided into two groups in a mode that two anti-side-tipping support arms are in a group, the two anti-side-tipping support arms in the first group are respectively hinged at the front ends of the two wing plate parts and can be unfolded forwards, and the two anti-side-tipping support arms in the second group are respectively hinged at the rear ends of the two wing plate parts and can be unfolded backwards.
6. The scissor jack base of claim 5, wherein:
the rotation plane of the anti-roll support arm is coincident with or parallel to the plane of the bottom plate, the bottom surface of the anti-roll support arm is the support surface, and the bottom surface of the anti-roll support arm is flush with the bottom surface of the bottom plate.
7. The scissor jack base of claim 6, wherein:
the front end of the wing plate part protrudes out of the front side edge of the bottom plate part, and the two anti-roll supporting arms of the first group form a split structure;
the rear end of the wing plate part protrudes out of the rear side edge of the bottom plate part, and the two anti-side-tipping support arms of the second group form a split structure.
8. The scissor jack base of claim 6, wherein:
the first set of two anti-roll arms abut against the front edge of the bottom plate portion when folded, and the second set of two anti-roll arms abut against the rear edge of the bottom plate portion when folded.
9. The scissor jack base of claim 6, wherein:
the first set of two anti-roll arms are deployed perpendicular to the front edge of the bottom plate portion and the second set of two anti-roll arms are deployed perpendicular to the rear edge of the bottom plate portion.
10. A scissor jack comprising a base as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216035.XU CN212246050U (en) | 2020-02-26 | 2020-02-26 | Scissor jack and base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216035.XU CN212246050U (en) | 2020-02-26 | 2020-02-26 | Scissor jack and base thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212246050U true CN212246050U (en) | 2020-12-29 |
Family
ID=73989157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216035.XU Active CN212246050U (en) | 2020-02-26 | 2020-02-26 | Scissor jack and base thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212246050U (en) |
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2020
- 2020-02-26 CN CN202020216035.XU patent/CN212246050U/en active Active
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