CN218025189U - Screw jack with spacing and left-hand thread function - Google Patents
Screw jack with spacing and left-hand thread function Download PDFInfo
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- CN218025189U CN218025189U CN202222636829.3U CN202222636829U CN218025189U CN 218025189 U CN218025189 U CN 218025189U CN 202222636829 U CN202222636829 U CN 202222636829U CN 218025189 U CN218025189 U CN 218025189U
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- spacing
- jack
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Abstract
The utility model discloses a screw jack with spacing and turn-buckle function, the welding of jack base member side end bottom has the fixed cover of hole, the welding of jack base member side has fixed joint piece, the fixed stay post has been cup jointed to the fixed cover inboard of hole, it has spacing erection column to insert the inboard joint of mounting hole and fixed stay hole, the welding of spacing spring one end has the fixed frame of inserting, rotate the fixed cover of hole through the fixed stay post, thereby drive the inside helical structure of jack, make the operation that can be quick when needs raise the jack, it is inboard to insert mounting hole and fixed mounting hole to imbed spacing erection column, promote fixed frame of inserting to spacing erection column and fixed stay post fixed spacingly by spacing spring, make can be quick carry out spacing fixed to the position of fixed stay post after accomplishing the rising, avoid touching because of the people in operation process and lead to jack position to take place to go up and down, thereby the security of using has been guaranteed.
Description
Technical Field
The utility model relates to a screw jack technical field specifically is a screw jack with spacing and left-hand thread function.
Background
The screw jack is also called mechanical jack, it is driven by manpower through screw pair, the screw or nut sleeve is used as jacking piece, the common screw jack supports heavy object by means of screw self-locking action, its structure is simple, but its transmission efficiency is low, return stroke is slow, and the screw thread of self-descending screw jack has no self-locking action, and is equipped with brake, at present, when the screw jack is used, it is generally rotated by means of fixed supporting column.
But when using the jack at present, touch fixed support column because of the easy mistake of personnel's operation time, lead to the condition that the jack takes place to go up and down to appear in the course of the work to very big increase the potential safety hazard of during operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a screw jack with spacing and left-hand thread function can effectively solve and propose when using the jack among the above-mentioned background art at present, and easy mistake touches the fixed stay post when personnel operate, leads to the condition that the jack takes place to go up and down to appear in the course of the work to very big increase the problem of the potential safety hazard of during operation.
In order to achieve the above purpose, the utility model provides a following technical scheme: a screw jack with limiting and back-off functions comprises a jack base body, wherein a limiting assembly is arranged on one side of the jack base body and comprises an inner hole fixing sleeve, a fixing clamping block, a fixing supporting column, an inserting mounting hole, a fixing mounting hole, a limiting mounting column, a sliding supporting groove, a limiting spring, a fixing inserting frame and a linkage limiting rod;
the welding of jack base side end bottom has the fixed cover of hole, the welding of the fixed cover position department of the corresponding hole of jack base side end has fixed joint piece, the fixed support column has been cup jointed in the inboard slip of the fixed cover of hole, fixed support column side symmetry has been seted up and has been inserted the mounting hole, a plurality of fixed mounting hole has been seted up to fixed joint piece correspondence insertion mounting hole position department equidistance, it has spacing erection column to insert mounting hole and the inboard embedding joint of fixed mounting hole, the sliding support groove has all been seted up to fixed support column and spacing erection column one end, the inboard one end symmetric welding of sliding support inslot has spacing spring, two spacing spring one end welding has the fixed frame that inserts, the welding of fixed frame one end has the linkage gag lever post.
Preferably, the longitudinal section of the fixed supporting column is an I-shaped section, and the longitudinal sections of the limiting mounting column and the linkage limiting rod are both T-shaped.
Preferably, the inner hole fixing sleeve is rotatably sleeved on the inner side of the fixing clamping block, and the fixing insertion frame is slidably mounted on the inner side of the sliding support groove.
Preferably, one side of the jack base body is provided with a protection left-hand thread component, and the protection left-hand thread component comprises an installation supporting plate, a linkage supporting column, a clamping fixing block, a sliding supporting hole, a supporting installation hole, a fixing spring, a limiting sliding plate and a fixing supporting rod;
jack base member side top welding has the erection bracing board, the welding of erection bracing board bottom has the linkage support column, jack base member side end welding has the joint fixed block, the sliding support hole has been seted up on joint fixed block top, the joint fixed block inboard corresponds sliding support hole position department equidistance and has seted up a plurality of and support the mounting hole, it has a plurality of fixed spring, a plurality of to support the inboard one end equidistance welding of mounting hole fixed spring one end welding has the spacing sliding plate, the welding of spacing sliding plate one end has fixed support bar.
Preferably, the linkage supporting column is slidably mounted on the inner side of the sliding supporting hole, and the limit sliding plate is slidably mounted on the inner side of the supporting mounting hole.
Preferably, the longitudinal section of the fixed support rod is T-shaped, and the fixed support rod is installed at one end of the clamping fixed block in a penetrating mode.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. be provided with spacing subassembly, rotate the fixed cover of hole through the fixed stay post, thereby drive the inside helical structure of jack, make the operation that can be quick when the jack is being raised to needs, it is inboard to insert mounting hole and fixed mounting hole with spacing erection column embedding, promote fixed insertion frame fixed spacing to spacing erection column and fixed stay post by spacing spring, make can be quick carry out spacing fixed to the position of fixed stay post after raising the completion, avoid touching because of the people for the mistake in operation process and lead to the jack position to take place to go up and down, thereby the security of using has been guaranteed.
2. Be provided with protection left-hand thread subassembly, promote limit sliding plate through fixed spring and carry out spacing left-hand thread to the slip supported hole to can effectually block spacingly when linkage support column and jack take place to slide, avoid leading to the jack directly to push down the striking because of supporting overweight, thereby realize that effectual protection blocks, through the quick slip supported hole of opening of fixed stay bar pulling limit sliding plate, guaranteed the normal reset of jack.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural diagram of the limiting assembly of the present invention;
fig. 3 is a schematic view of the installation structure of the limiting spring of the present invention;
FIG. 4 is a schematic structural view of the protective left-hand assembly of the present invention;
reference numbers in the figures: 1. a jack base;
2. a limiting component; 201. an inner hole fixing sleeve; 202. fixing the clamping block; 203. fixing the support column; 204. inserting into the mounting hole; 205. fixing the mounting hole; 206. limiting the mounting column; 207. a sliding support groove; 208. a limiting spring; 209. fixing the insertion frame; 210. a limiting rod is linked;
3. a protective left-hand assembly; 301. mounting a support plate; 302. linkage supporting columns; 303. clamping the fixing block; 304. a sliding support hole; 305. supporting the mounting hole; 306. fixing the spring; 307. a limiting sliding plate; 308. and fixing the support rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a screw jack with spacing and left-hand thread function, including jack base member 1, spacing subassembly 2 is installed to jack base member 1 one side, and spacing subassembly 2 includes hole fixed cover 201, fixed joint piece 202, fixed support column 203, inserts mounting hole 204, fixed mounting hole 205, spacing mounting column 206, sliding support groove 207, spacing spring 208, fixed insertion frame 209 and linkage gag lever post 210;
the bottom of the side end of a jack substrate 1 is welded with a hole fixing sleeve 201, a fixed clamping block 202 is welded at the position, corresponding to the hole fixing sleeve 201, of the side end of the jack substrate 1, the hole fixing sleeve 201 is rotatably sleeved on the inner side of the fixed clamping block 202, linkage limiting stability is guaranteed, a fixed support column 203 is slidably sleeved on the inner side of the hole fixing sleeve 201, the longitudinal section of the fixed support column 203 is I-shaped, sliding separation of the fixed support column 203 from the inner side of the hole fixing sleeve 201 can be avoided during sliding support, insertion mounting holes 204 are symmetrically formed in the side end of the fixed support column 203, a plurality of fixed mounting holes 205 are formed in the positions, corresponding to the insertion mounting holes 204, of the fixed clamping block 202 at equal intervals, limit mounting columns 206 are embedded and clamped into the inner sides of the insertion mounting holes 204 and the fixed mounting holes 205, sliding support grooves 207 are formed in one ends of the fixed support columns 203 and the limit mounting columns 206, limiting springs 208 are symmetrically welded at one ends of the inner sides of the sliding support grooves 207, one ends of the two limiting springs 208 are welded with fixed insertion frames 209, one end linkage limiting rods 210 are welded, and the longitudinal sections of the two limiting springs 208 are welded with a T-shaped linkage limiting rod, linkage limiting rods, and linkage limiting blocks can be effectively prevented from being separated from sliding support during linkage when clamping fixation.
One side of the jack base body 1 is provided with a protection left-hand thread component 3, and the protection left-hand thread component 3 comprises an installation support plate 301, a linkage support column 302, a clamping fixed block 303, a sliding support hole 304, a support installation hole 305, a fixed spring 306, a limiting sliding plate 307 and a fixed support rod 308;
The utility model discloses a theory of operation and use flow: when the jack needs to be used, a worker pulls the linkage limiting rod 210 to enable the fixed insertion frame 209 to slide along the sliding support groove 207, so that the limiting installation column 206 is loosened, the limiting installation column 206 is pulled out from the inner side of the insertion installation hole 204, so that the fixed clamping block 202 and the fixed support column 203 are loosened, the worker rotates the inner hole fixing sleeve 201 through the fixed support column 203, so that a spiral structure inside the jack is driven, the operation can be performed quickly when the jack needs to be lifted, after the operation is completed, the worker inserts the limiting installation column 206 into the insertion installation hole 204 and the inner side of the fixed installation hole 205 again, after the limiting installation column 206 is inserted and clamped, the worker rotates the limiting installation column 206 to enable the sliding support groove 207 to be aligned, the limiting spring 208 pushes the fixed insertion frame 209 to fix and limit the limiting installation column 206 and the fixed support column 203 along the sliding support groove 207, so that the position of the fixed support column 203 can be quickly limited and fixed after the lifting is completed, and the jack position is prevented from being lifted due to mistaken touch in the operation process, and the lifting safety of the jack is guaranteed;
when the jack ascends, the installation supporting plate 301 and the linkage supporting column 302 ascend along the sliding supporting hole 304, simultaneously, the fixed spring 306 pushes the limit sliding plate 307 to slide along the supporting mounting hole 305, and drive the fixed supporting rod 308, thereby the quick sliding supporting hole 304 located at the position of the linkage supporting column 302 is limited and reversely buckled, and can be effectively blocked when the linkage supporting column 302 and the jack slide down, avoid directly pressing down the striking because of supporting overweight jack, thereby realize that effective protection blocks, when the jack normally presses down, the staff pulls the limit sliding plate 307 through the fixed supporting rod 308, thereby the sliding supporting hole 304 is quickly opened, and the normal reset of the jack is ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a screw jack with spacing and left-hand thread function, includes jack base member (1), its characterized in that: a limiting component (2) is mounted on one side of the jack base body (1), and the limiting component (2) comprises an inner hole fixing sleeve (201), a fixing clamping block (202), a fixing supporting column (203), an inserting mounting hole (204), a fixing mounting hole (205), a limiting mounting column (206), a sliding supporting groove (207), a limiting spring (208), a fixing inserting frame (209) and a linkage limiting rod (210);
jack base member (1) side bottom welding has the fixed cover of hole (201), jack base member (1) side corresponds the fixed cover of hole (201) position department welding and has fixed joint piece (202), the fixed cover of hole (201) inboard slip has cup jointed fixed stay post (203), fixed stay post (203) side symmetry has been seted up and has been inserted mounting hole (204), fixed joint piece (202) correspond and have been inserted mounting hole (204) position department equidistance and have been seted up a plurality of fixed mounting hole (205), it has spacing erection column (206) to insert mounting hole (204) and fixed mounting hole (205) inboard embedding joint, sliding support groove (207) have all been seted up to fixed stay post (203) and spacing erection column (206) one end, the inboard one end symmetrical welding of sliding support groove (207) has spacing spring (208), two spacing spring (208) one end welding has fixed insert frame (209), fixed insert frame (209) one end welding has linkage gag lever (210).
2. The screw jack with the limiting and back-buckling functions as claimed in claim 1, wherein the longitudinal section of the fixed supporting column (203) is an I-shaped section, and the longitudinal sections of the limiting mounting column (206) and the linkage limiting rod (210) are both T-shaped.
3. The screw jack with the limiting and back-buckling functions as claimed in claim 1, wherein said inner hole fixing sleeve (201) is rotatably sleeved inside the fixing clamping block (202), and said fixing insertion frame (209) is slidably mounted inside the sliding support groove (207).
4. The screw jack with limiting and reversing functions as claimed in claim 1, wherein a protective reversing component (3) is mounted on one side of the jack base (1), and the protective reversing component (3) comprises a mounting support plate (301), a linkage support column (302), a clamping fixing block (303), a sliding support hole (304), a support mounting hole (305), a fixing spring (306), a limiting sliding plate (307) and a fixing support rod (308);
jack base member (1) side top welding has erection bracing board (301), erection bracing board (301) bottom welding has linkage support column (302), jack base member (1) side welding has joint fixed block (303), slip supporting hole (304) have been seted up on joint fixed block (303) top, a plurality of support mounting hole (305) have been seted up to joint fixed block (303) inboard correspondence slip supporting hole (304) position equidistance, it has a plurality of fixed spring (306), a plurality of to support the welding of inboard one end equidistance of mounting hole (305) fixed spring (306), and is a plurality of fixed spring (306) one end welding has spacing sliding plate (307), spacing sliding plate (307) one end welding has fixed support pole (308).
5. The screw jack with the limiting and back-buckling functions as claimed in claim 4, wherein the linkage supporting column (302) is slidably mounted inside the sliding supporting hole (304), and the limiting sliding plate (307) is slidably mounted inside the supporting and mounting hole (305).
6. The screw jack with limiting and back-buckling functions as claimed in claim 4, wherein the longitudinal section of the fixing support rod (308) is T-shaped, and the fixing support rod (308) is penetratingly mounted at one end of the clamping fixing block (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222636829.3U CN218025189U (en) | 2022-10-09 | 2022-10-09 | Screw jack with spacing and left-hand thread function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222636829.3U CN218025189U (en) | 2022-10-09 | 2022-10-09 | Screw jack with spacing and left-hand thread function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218025189U true CN218025189U (en) | 2022-12-13 |
Family
ID=84357243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222636829.3U Active CN218025189U (en) | 2022-10-09 | 2022-10-09 | Screw jack with spacing and left-hand thread function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218025189U (en) |
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2022
- 2022-10-09 CN CN202222636829.3U patent/CN218025189U/en active Active
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