CN210825237U - Scissor jack's top head part that increases - Google Patents
Scissor jack's top head part that increases Download PDFInfo
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- CN210825237U CN210825237U CN201921208163.3U CN201921208163U CN210825237U CN 210825237 U CN210825237 U CN 210825237U CN 201921208163 U CN201921208163 U CN 201921208163U CN 210825237 U CN210825237 U CN 210825237U
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- hole
- pin shaft
- handle
- scissor jack
- shaped frame
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Abstract
The scheme discloses a heightening top head component of a scissor jack, wherein a pressure-bearing support is of a U-shaped frame type, and an inner support and the U-shaped frame are fixedly connected by a first pin shaft, a third coaxial hole, a second pin shaft and a fourth coaxial hole in a frame inner cavity of the U-shaped frame respectively; the special-shaped nut is embedded into the U-shaped frame, and the interference fit of the non-circular shaft hole is implemented; the pressure-bearing bracket (1) and the rotating pivot (9) with the handle are combined into a head-increasing component, the lower end surface (10) of the inner support bracket of the component is jointed on the load end surface (12) of the shear top body (11), and the rotating pivot with the handle is in clearance fit and threaded connection with a first coaxial hole of the pressure-bearing bracket and a shaft hole of a second coaxial hole on the shear top body; the scheme has the advantages that the heightened jacking head part accessory is specially designed and is adaptively combined on the body of the scissor jack, so that the cost is reduced, the cost performance of the jack is greatly improved, and the application range is expanded on the basis of a basic scissor jack mode.
Description
Technical Field
The utility model relates to a supporting jack-up of vehicle-mounted is with cutting formula jack, especially is used for a supporting combination of cutting formula jack to use increases top part.
Background
Various series of small and medium-sized automobiles are often matched with a scissor jack along with the automobile for replacing tires and maintaining the automobile, the traditional matched form is one-automobile-one-jack, and the scissor jack has the characteristics of single structure and strong single matching property only aiming at a certain automobile type, particularly, the scissor jack along with the automobile can only be used for maintaining the automobile type, if the scissor jack is used for other automobiles, the application parameters of the jack can not meet the use conditions when the automobile is jacked up possibly, the automobile types such as certain pick-up trucks or pick-up trucks refitted by professional factories can not meet the use requirements of operations such as repairing the automobile, maintaining the tires and the like when the automobile is jacked up to the highest position, the working efficiency can be influenced, when the scissor jack is used for lifting heavy objects in an unconventional way, the jack has urgent need to improve the height parameters, so that the scissor jack can obtain a higher objective condition, all these practical requirements make many designers and technical experts to turn on a mental idea to implement the structural change of the scissor jack so as to complete the superposition of the structure in an alternative combination mode on the basis of a prototype jack as much as possible to realize the new target of applying the parameters of the scissor jack.
Disclosure of Invention
The utility model discloses technical scheme's task lies in the not enough of face above-mentioned background art contrast scheme, combines the structural advantage of traditional scissor jack, has studied the composite pattern at this type of scissor jack head structural part by professional engineer with the heart to install the mode of part additional and make conventional and the supernormal application occasion of scissor jack in the in-service use can both exert the potential efficiency of lifting the instrument with one's mind. The heightening jacking head component innovative in the scheme fills the technical blank of the scissor jack in height displacement and is well accepted by users.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a scissor jack's top part that increases, includes pressure-bearing support and increases top coupling shaft, characterized by: the pressure bearing support is a U-shaped frame type, and the inner support and the U-shaped frame are fixedly connected by a first pin shaft, a third coaxial hole, a second pin shaft and a fourth coaxial hole in a cavity in the frame of the U-shaped frame respectively; the special-shaped nut is embedded into the U-shaped frame, and the interference fit of the non-circular shaft hole is implemented; the bearing support and the rotating pivot shaft with the handle are combined into a heightening jacking head component, the lower end surface of an inner support of the component is jointed on the load end surface of the shear jacking body, and the rotating pivot shaft with the handle is in clearance fit and threaded connection with a first coaxial hole of the bearing support and a shaft hole of a second coaxial hole on the shear jacking body.
Wherein, the center of the special-shaped nut is provided with an internal thread hole.
The left side plate and the right side plate of the U-shaped frame are respectively and symmetrically provided with a first reinforcing rib, a second reinforcing rib, a first herringbone reinforcing rib, a third reinforcing rib, a fourth reinforcing rib and a second herringbone reinforcing rib which are protruded outwards, the left side plate and the right side plate are provided with vehicle-mounted positioning coaxial holes, and the inner support bracket is provided with a vehicle-mounted positioning standby bracket coaxial hole.
Wherein, the top of the U-shaped frame is provided with a first groove and a second groove in a cross shape.
Wherein, a first material-saving hole and a second material-saving hole are respectively arranged on the left big side plate and the right big side plate of the inner support bracket.
Wherein, the front part of the rotating pivot with the handle is provided with a threaded pin shaft, and the rear part of the rotating pivot with the handle is provided with a plastic handle; the front end of the threaded pin shaft is provided with a small step excircle and an external thread; the rear section part of the threaded pin shaft is a smooth cylinder, and the tail part of the threaded pin shaft is provided with a square tenon column; the plastic handle is made of polypropylene, and is integrally injection-molded with the square tenon column and part of the smooth cylinder of the threaded pin shaft or combined with the threaded pin shaft through thermal shrinkage assembly to form a complete rotary pivot with a handle.
Compared with the prior art, the utility model beneficial effect who has is: the traditional way for increasing the height of the scissor jack is that the relative geometric dimensions of parts including the arm length of the supporting arm of the scissor jack body are increased, so that a lot of cost is increased, and the optimal lowest height of the scissor jack is not easy to obtain.
Drawings
Description of the embodiments of the drawings:
FIG. 1 is a perspective view of a scissor jack with a heightened top head according to the present invention;
FIG. 2 is a perspective view of a shear top body that may be used to form the overall machine of FIG. 1;
FIG. 3 is a perspective view illustrating the assembly of the pressure-bearing bracket and the shear top body according to the present embodiment;
FIG. 4 is a top side view of a scissor jack having a raised top member formed in accordance with the present embodiment based on FIG. 3;
FIGS. 5 and 6 are perspective views illustrating the assembly of the pressure-bearing bracket of the present embodiment;
FIG. 7 is a perspective view of the pressure bearing bracket of the present embodiment;
FIG. 8 is a perspective view of another perspective of the pressure support bracket of the present embodiment;
FIG. 9 is a perspective view of the combination of the threaded pin of the pivoting handle with stem and the plastic handle of the present embodiment;
FIG. 10 is a perspective view of the toggle pivot in this embodiment;
FIG. 11 is a view of the toggle pivot of FIG. 10;
FIG. 12 is a cross-sectional view relative to FIG. 11;
the names of the parts and the related geometric elements shown by the reference numerals in the drawings are as follows:
1 bearing support, 2U-shaped frame, 3 inner cavity of frame, 4 first pin shaft, 5 second pin shaft, 6 inner support, 7 special-shaped nut, 8 threaded hole, 9 rotating pivot with handle, 10 lower end face of inner support, 11 shearing top body, 12 loading end face, 13 first coaxial hole, 14 second coaxial hole, 15 left side plate, 16 right side plate, 17 first reinforcing rib, 18 second reinforcing rib, 19 third reinforcing rib, 20 fourth reinforcing rib, 21 first herringbone reinforcing rib, 22 second herringbone reinforcing rib, 23 first groove, 24 second groove, 25 fixed coaxial hole, 26 third coaxial hole, 27 fourth coaxial hole, 28 spare support coaxial hole, 29 left large side plate, 30 right large side plate, 31 first material saving hole, 32 second material saving hole, 33 threaded pin shaft, 34 plastic handle, 35 small step excircle, 36 external thread, 37 smooth cylinder, 38 square tenon columns.
Detailed Description
The present invention will be further described with reference to the drawings of the embodiments for aiding the understanding of the technical content and effect of the present invention by the public, but the description of the embodiments is not to be construed as limiting the technical solution, and any equivalent changes in form and detail made according to the conception of the present invention should be regarded as the scope of the technical solution.
It can be seen by each drawing, the embodiment of the utility model discloses obviously be different from the situation that traditional scissor jack does not have loose joint and increases top part, new technical scheme has fully considered scissor jack body not having the cost, under the prerequisite that the technology changed, with the novel mode that increases top part in traditional scissor jack's top department combination, the realization improves the purpose that its vehicle of serving is by the jacking height, and can dismantle the pressure-bearing support easily in the use of non-special occasion, resume scissor jack's application normality, it is free with increasing the dismouting of top part freely, the superior characteristic of difference use to show scissor jack.
The embodiment of the utility model provides a technical scheme is like this the combination: when the use condition of a higher vehicle chassis is met, an operator only needs to use the rotating pivot 9 with the handle to penetrate through the pressure-bearing support 1 and the shear top body 11 to preset the first coaxial hole 13, so that the external thread 36 of the rotating pivot 9 with the handle is screwed into the internal thread hole 8 of the special-shaped nut 7 fixedly connected to the U-shaped frame 2 and screwed, and the perfect combination of the lower end surface 10 of the inner support of the pressure-bearing support 1 and the load end surface 12 on the shear top body 11 can be easily realized. The whole set of combined scissor jack has the advantages that the structural condition of the scissor jack body 11 is not changed, and only the pressure-bearing support needs to be changed into a heightening top head part of the scissor jack. The combination is characterized in that: the pressure bearing support 1 is in a U-shaped frame type, and an inner support 6 and the U-shaped frame 2 are fixedly connected by a first pin shaft 4, a third coaxial hole 26, a second pin shaft 5 and a fourth coaxial hole 27 in a frame inner cavity 3 of the U-shaped frame 2 respectively; the special-shaped nut 7 is embedded into the U-shaped frame 2, and interference fit of the non-circular shaft hole is implemented; the pressure-bearing bracket 1 and the rotating pivot 9 with the handle are combined into a head-increasing component, the lower end surface 10 of an inner support bracket of the component is jointed on the load end surface 12 of the shear top body 11, and the rotating pivot 9 with the handle is used for implementing clearance fit with a first coaxial hole 13 of the pressure-bearing bracket 1 and a shaft hole of a second coaxial hole 14 on the shear top body 11 and connection of a related internal threaded hole 8 and an external thread 36; the internal thread hole 8 is arranged at the central position of the special-shaped nut 7 and belongs to the geometrical structural element of the first coaxial hole 13; a first reinforcing rib 17, a second reinforcing rib 18, a first herringbone reinforcing rib 21, a third reinforcing rib 19, a fourth reinforcing rib 20 and a second herringbone reinforcing rib 22 which are protruded outwards are symmetrically arranged on the left side plate 15 and the right side plate 16 of the U-shaped frame 2 respectively; the top of the U-shaped frame 2 is provided with a first groove 23 and a second groove 24 in a cross shape; vehicle-mounted positioning coaxial holes 25 are formed in the left side plate 15 and the right side plate 16, and vehicle-mounted positioning standby support coaxial holes 28 are formed in the inner support 6; a first material-saving hole 31 and a second material-saving hole 32 are respectively arranged on the left large side plate 29 and the right large side plate 30 of the inner support bracket 6; a threaded pin shaft 33 is arranged at the front part of the handle-mounted rotating pivot 9, and a plastic handle 34 is arranged at the rear part of the handle-mounted rotating pivot; the front end of the threaded pin shaft 33 is provided with a small step excircle 35 and an external thread 36; the rear section of the threaded pin shaft 33 is a smooth cylinder 37, and the tail part of the threaded pin shaft is provided with a square tenon column 38; the plastic handle 34 is made of polypropylene and is integrally injection-molded with the square tenon column 38 and the partial smooth cylinder 37 of the threaded pin shaft 33, or the plastic handle 34 and the threaded pin shaft 33 are combined through thermal shrinkage assembly to form the complete rotary pivot 9 with the handle.
Claims (6)
1. The utility model provides a scissor jack's top part that increases, includes pressure-bearing support and increases top coupling shaft, characterized by: the pressure bearing support (1) is of a U-shaped frame type, and an inner support (6) and the U-shaped frame (2) are fixedly connected by a first pin shaft (4), a third coaxial hole (26), a second pin shaft (5) and a fourth coaxial hole (27) in a frame inner cavity (3) of the U-shaped frame (2) respectively; the special-shaped nut (7) is embedded into the U-shaped frame (2) to implement interference fit of the non-circular shaft hole; the bearing support (1) and the rotating pivot (9) with the handle are combined into a head-increasing component, the lower end surface (10) of an inner support of the component is jointed on a load end surface (12) of the shear top body (11), and the rotating pivot (9) with the handle is in clearance fit and threaded connection with a first coaxial hole (13) of the bearing support (1) and a shaft hole of a second coaxial hole (14) on the shear top body (11).
2. A scissor jack heightening headpiece as claimed in claim 1, wherein: an internal thread hole (8) is arranged at the center of the special-shaped nut (7).
3. A scissor jack heightening headpiece as claimed in claim 1, wherein: a left side plate (15) and a right side plate (16) of a U-shaped frame (2) are symmetrically provided with a first reinforcing rib (17), a second reinforcing rib (18), a first herringbone reinforcing rib (21), a third reinforcing rib (19), a fourth reinforcing rib (20) and a second herringbone reinforcing rib (22) which are outwards protruded, the left side plate (15) and the right side plate (16) are provided with vehicle-mounted and fixed coaxial holes (25), and the inner support bracket (6) is provided with vehicle-mounted and fixed spare support coaxial holes (28).
4. A scissor jack heightening headpiece as claimed in claim 1, wherein: the top of the U-shaped frame (2) is provided with a first groove (23) and a second groove (24) in a cross shape.
5. A scissor jack heightening headpiece as claimed in claim 1, wherein: a first material-saving hole (31) and a second material-saving hole (32) are respectively arranged on a left large side plate (29) and a right large side plate (30) of the inner support bracket (6).
6. A scissor jack heightening headpiece as claimed in claim 1, wherein: a threaded pin shaft (33) is arranged at the front part of the rotating pivot (9) with the handle, and a plastic handle (34) is arranged at the rear part of the rotating pivot (9) with the handle; the front end of the threaded pin shaft (33) is provided with a small step excircle (35) and an external thread (36); the rear section part of the threaded pin shaft (33) is a smooth cylinder (37), and the tail part of the threaded pin shaft is provided with a square tenon column (38); the plastic handle (34) is made of polypropylene, and is integrally injection-molded with a square tenon column (38) and a part of a smooth cylinder (37) of the threaded pin shaft (33) or the plastic handle (34) and the threaded pin shaft (33) are combined to form a complete rotary pivot (9) with a handle through thermal shrinkage assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208163.3U CN210825237U (en) | 2019-07-29 | 2019-07-29 | Scissor jack's top head part that increases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208163.3U CN210825237U (en) | 2019-07-29 | 2019-07-29 | Scissor jack's top head part that increases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210825237U true CN210825237U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208163.3U Active CN210825237U (en) | 2019-07-29 | 2019-07-29 | Scissor jack's top head part that increases |
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| Country | Link |
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| CN (1) | CN210825237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371884A (en) * | 2019-07-29 | 2019-10-25 | 南通市通润汽车零部件有限公司 | A kind of scissor-like jack increases top component |
-
2019
- 2019-07-29 CN CN201921208163.3U patent/CN210825237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371884A (en) * | 2019-07-29 | 2019-10-25 | 南通市通润汽车零部件有限公司 | A kind of scissor-like jack increases top component |
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