CN212042569U - Large-scale sand box of extensible - Google Patents
Large-scale sand box of extensible Download PDFInfo
- Publication number
- CN212042569U CN212042569U CN202020330087.XU CN202020330087U CN212042569U CN 212042569 U CN212042569 U CN 212042569U CN 202020330087 U CN202020330087 U CN 202020330087U CN 212042569 U CN212042569 U CN 212042569U
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- box body
- lug
- plate
- connecting lug
- transition
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- 244000035744 Hura crepitans Species 0.000 title claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 20
- 238000010008 shearing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides an expandable large sand box, which comprises a front box body, a rear box body and a middle box body, wherein the front box body and the rear box body are oppositely arranged, and the middle box body is detachably arranged between the front box body and the rear box body; the opening of the front box body facing one end of the rear box body is provided with a front connecting lug, the opening of the rear box body facing one end of the front box body is provided with a rear connecting lug, and two ends of the middle box body are respectively provided with a transition connecting lug corresponding to the front connecting lug and the rear connecting lug; all be equipped with the location bellying on the transition engaging lug, all be equipped with on engaging lug and the back engaging lug in the front and fix a position bellying complex draw-in groove. The sand box provided by the invention adopts a combined structural design, can be assembled according to requirements, and is simple to operate and easy to implement. And, through the cooperation of location bellying and draw-in groove or fixture block and constant head tank, reduced the shearing force that the connecting piece received, improved the stability of structure.
Description
Technical Field
The invention belongs to the technical field of casting equipment, and particularly relates to an expandable large sand box.
Background
In the prior art, the sand box is usually formed by integral casting, particularly for large casting products, a large sand box is needed, when the length or width of a workpiece is greatly adjusted, namely the specification of the casting product has a large difference, and the sand box with a larger size is not needed.
Disclosure of Invention
In view of the above, the present invention provides an expandable large sand box to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an expandable large sand box comprises a front box body, a rear box body and a middle box body, wherein the front box body and the rear box body are oppositely arranged, and the middle box body is detachably arranged between the front box body and the rear box body;
the opening of the front box body facing one end of the rear box body is provided with a front connecting lug, the opening of the rear box body facing one end of the front box body is provided with a rear connecting lug, and two ends of the middle box body are respectively provided with a transition connecting lug corresponding to the front connecting lug and the rear connecting lug;
the transition connecting lugs are respectively provided with a positioning lug boss, and the front connecting lug and the rear connecting lug are respectively provided with a clamping groove matched with the positioning lug bosses;
in the expansion state, the front connecting lug and the rear connecting lug are fixed on the corresponding transition connecting lug by the connecting piece; and under a normal state, the middle box body is removed, and the front connecting lugs are fixed on the corresponding rear connecting lugs through the connecting pieces.
Furthermore, the width of preceding engaging lug and back engaging lug all is greater than the transition engaging lug, is equipped with the fixture block on the part of the outstanding transition engaging lug of preceding engaging lug, and the part of the outstanding transition engaging lug of back engaging lug is equipped with the constant head tank with fixture block complex.
Furthermore, a connecting plate is arranged between the two side plates of the middle box body, the connecting plate has a pulling effect, the two side plates of the middle box body are stable in structure, and expansion or deformation is avoided.
Furthermore, the connecting plates are respectively provided with a clamping groove corresponding to the two side plates of the middle box body.
Furthermore, a limit groove is formed in the side plate of the middle box body corresponding to the connecting plate.
Furthermore, the front box body comprises a base part, side plates are respectively arranged on two sides of the base part, and a front plate is fixed between the two side plates in an adjustable position.
Further, the front side plate is fixed on the side plate through a fixing piece.
Furthermore, a plurality of groups of fixing holes are formed in the side plate, connecting holes are formed in the two ends of the front side plate, and the fixing piece penetrates through the fixing holes and is connected with the connecting holes in the front side plate.
Compared with the prior art, the invention has the following advantages:
the sand box provided by the invention adopts a combined structural design, can be assembled according to requirements, and is simple to operate and easy to implement. And, through the cooperation of location bellying and draw-in groove or fixture block and constant head tank, reduced the shearing force that the connecting piece received, improved the stability of structure.
Drawings
The accompanying drawings, which 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 without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the present invention in an exploded state;
FIG. 3 is a schematic view of an embodiment of the present invention with the intermediate housing removed;
FIG. 4 is a schematic view of the middle box body provided with a connecting plate according to the embodiment of the invention;
FIG. 5 is a schematic view of a connection plate in an embodiment of the invention;
fig. 6 is a schematic view of the front box body designed as a combined structure in the inventive embodiment of the present invention.
Description of reference numerals:
1-front box body; 2-a rear box body; 3-a middle box body; 4-front connecting lug; 5-rear connecting lugs; 6-transition connecting lugs; 7-positioning the boss; 8-a clamping groove; 9-a fixture block; 10-positioning grooves; 11-a connecting plate; 12-a card slot; 13-a base portion; 14-side edge plate; 15-front edge plate; 16-a fixation hole; 17-connecting piece.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
An expandable large sand box, as shown in fig. 1 to 5, comprises a front box body 1, a rear box body 2 which are oppositely arranged and a middle box body 3 which is detachably arranged between the front box body and the rear box body;
a front connecting lug 4 is arranged at the opening of one end of the front box body facing the rear box body, a rear connecting lug 5 is arranged at the opening of one end of the rear box body facing the front box body, and transition connecting lugs 6 are respectively arranged at two ends of the middle box body corresponding to the front and rear connecting lugs;
the transition connecting lugs are respectively provided with a positioning lug 7 which is generally a positioning block or a positioning plate, and the front connecting lug and the rear connecting lug are respectively provided with a clamping groove 8 matched with the positioning lug; when the middle box body is arranged between the front box body and the rear box body, the positioning lug bosses on the transition lugs of the middle box body are inserted into the clamping grooves of the front connecting lug/the rear connecting lug on the corresponding side, so that the auxiliary positioning effect is achieved, meanwhile, the shearing force borne by the connecting piece is effectively reduced, the stable structure of the combined sand box is ensured, and the combined sand box has better strength.
In the expansion state, the front connecting lug and the rear connecting lug are fixed on the corresponding transition connecting lug by the connecting piece; in a normal state, the middle box body is removed, and the front connecting lugs are fixed on the corresponding rear connecting lugs through the connecting pieces 17.
The further optimized scheme is that the widths of the front connecting lug and the rear connecting lug are larger than those of the transition connecting lugs, a clamping block 9 is arranged on the part of the front connecting lug protruding out of the transition connecting lugs, and a positioning groove 10 matched with the clamping block is arranged on the part of the rear connecting lug protruding out of the transition connecting lugs. When only constitute the sand box by preceding box and back box, the fixture block can cooperate with the constant head tank, plays the effect of above-mentioned cooperation structure between protruding portion of location and draw-in groove equally, reaches the effect of stable connection, has alleviateed the shearing force that is used for connecting between preceding, the back box this moment, avoids damaging.
In an alternative embodiment, a connecting plate 11 is arranged between two side plates of the middle box body. The clamping grooves 12 are formed in the connecting plates and correspond to the two side plates of the middle box body respectively, the connecting plates form a pulling effect, the two side plates of the middle box body are stable in structure, and expansion or deformation is avoided. In further embodiment, can correspond the connecting plate on the curb plate of middle box and be equipped with the spacing groove, draw-in groove card on the connecting plate is in the spacing groove position, is followed the curb plate direction by spacing groove restriction connecting plate and is removed, and the more stable performance of connecting plate is used.
In an alternative embodiment, as shown in fig. 6, the front case or the rear case may be designed as a combined structure. Taking the front box body as an example of a combined structure, specifically, the front box body comprises a base part 13, two sides of the base part are respectively provided with a side edge plate 14, a front edge plate 15 is fixed between the two side edge plates in an adjustable position, and the volume of the sand box is finely adjusted by adjusting the fixed position of the front edge plate between the two side edge plates.
In practice, the front plate is fixed on the side plate by a fixing piece. When the structure is designed, a plurality of groups of fixing holes 16 can be arranged on the side plate, connecting holes are arranged at two ends of the front plate, and the fixing piece penetrates through the fixing holes and is connected with the connecting holes on the front plate.
The sand box provided by the invention adopts a combined structural design, can be assembled according to requirements, and is simple to operate and easy to implement. And, through the cooperation of location bellying and draw-in groove or fixture block and constant head tank, reduced the shearing force that the connecting piece received, improved the stability of structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a large-scale sand box of extensible which characterized in that: comprises a front box body, a rear box body and a middle box body which is detachably arranged between the front box body and the rear box body which are oppositely arranged;
the opening of the front box body facing one end of the rear box body is provided with a front connecting lug, the opening of the rear box body facing one end of the front box body is provided with a rear connecting lug, and two ends of the middle box body are respectively provided with a transition connecting lug corresponding to the front connecting lug and the rear connecting lug;
the transition connecting lugs are respectively provided with a positioning lug boss, and the front connecting lug and the rear connecting lug are respectively provided with a clamping groove matched with the positioning lug bosses;
in the expansion state, the front connecting lug and the rear connecting lug are fixed on the corresponding transition connecting lug by the connecting piece; and under a normal state, the middle box body is removed, and the front connecting lugs are fixed on the corresponding rear connecting lugs through the connecting pieces.
2. The expandable large sand box of claim 1, wherein: the width of preceding engaging lug and back engaging lug all is greater than the transition engaging lug, is equipped with the fixture block on the part that the engaging lug is outstanding to the preceding engaging lug transition engaging lug, and the part that the engaging lug is outstanding to the back engaging lug is equipped with the constant head tank with fixture block complex.
3. The expandable large sand box of claim 1, wherein: and a connecting plate is arranged between the two side plates of the middle box body.
4. The expandable large sand box of claim 3, wherein: the connecting plates are respectively provided with a clamping groove corresponding to the two side plates of the middle box body.
5. The expandable large sand box of claim 3, wherein: and a limiting groove is formed in the side plate of the middle box body corresponding to the connecting plate.
6. The expandable large sand box of claim 1, wherein: the front box body comprises a base part, side plates are respectively arranged on two sides of the base part, and a front plate is fixed between the two side plates in an adjustable position.
7. The expandable large sand box of claim 6, wherein: the front side plate is fixed on the side plate through a fixing piece.
8. The expandable large sand box of claim 7, wherein: the side plate is provided with a plurality of groups of fixing holes, the two ends of the front plate are provided with connecting holes, and the fixing piece penetrates through the fixing holes and is connected with the connecting holes in the front plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330087.XU CN212042569U (en) | 2020-03-17 | 2020-03-17 | Large-scale sand box of extensible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330087.XU CN212042569U (en) | 2020-03-17 | 2020-03-17 | Large-scale sand box of extensible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212042569U true CN212042569U (en) | 2020-12-01 |
Family
ID=73532300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020330087.XU Expired - Fee Related CN212042569U (en) | 2020-03-17 | 2020-03-17 | Large-scale sand box of extensible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212042569U (en) |
-
2020
- 2020-03-17 CN CN202020330087.XU patent/CN212042569U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |