CN214977597U - Lock catch structure used between sand boxes - Google Patents

Abstract

A lock catch structure used between sand boxes comprises a supporting base; support and be provided with a plurality of sand box main parts side by side along vertical direction on the base, the both sides of a plurality of sand box main parts all are provided with locking device, locking device is including setting up spacing picture peg and the spacing subassembly of locking of lower extreme in the sand box main part respectively, the spacing subassembly of locking includes the intubate, the post of inserting, the cone, first compression spring, the sliding seat, spacing slide bar and limiting plate, the side all is provided with the push rod that is used for promoting the limiting plate removal around supporting the base, the both sides of supporting the base all are provided with the installation curb plate, be provided with the link between two installation curb plates, the both ends of link are connected with the push rod of both sides respectively, be provided with the cylinder that is used for driving the link removal on the installation curb plate. The utility model discloses the structure is ingenious, and locking effect is good, can connect fixedly to a plurality of sand boxes simultaneously, has avoided producing the phenomenon of dislocation between two adjacent sand boxes, and the practicality is stronger.

Description

Lock catch structure used between sand boxes

Technical Field

The utility model relates to a sand casting technical field especially relates to a hasp structure for between sand box.

Background

In the production casting, a flask is often used as a mold for filling molding sand, and since many castings are large in size, it is sometimes necessary to stack a plurality of flasks as a molding mold, and it is important to lock the plurality of flasks before pouring.

The hasp structure of current sand box is comparatively complicated usually, and the majority adopts artificial mode to fix a plurality of sand boxes respectively, complex operation, and consuming time is long, the production application of the reality of not being convenient for.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a hasp structure for between sand box, the structure is ingenious, and it is effectual to lock, can connect fixedly to a plurality of sand boxes simultaneously, has avoided producing the phenomenon of dislocation between two adjacent sand boxes, and the practicality is stronger.

(II) technical scheme

The utility model provides a lock catch structure used between sand boxes, which comprises a supporting base; the supporting base is provided with a plurality of sand box main bodies side by side along the vertical direction, both sides of the plurality of sand box main bodies are provided with locking devices, each locking device comprises a limiting inserting plate and a locking limiting assembly, the limiting inserting plate and the locking limiting assembly are respectively arranged at the upper end and the lower end of the sand box main body, each locking limiting assembly comprises an inserting tube, an inserting column, a conical head, a first compression spring, a sliding seat, a limiting sliding rod and a limiting plate, the inserting tube is inserted into each limiting inserting plate, each sliding seat is fixedly arranged on the sand box main body, the inserting tube is slidably connected with the corresponding sliding seat, a first elastic resetting assembly is arranged between the corresponding inserting tube and the corresponding sliding seat, one end of the corresponding inserting column is slidably arranged inside the corresponding inserting tube, the limiting plates and the conical heads are respectively arranged at the inner side and the outer side of the inserting tube, the limiting plates and the conical heads are respectively fixedly connected with both ends of the corresponding inserting columns, the first compression springs are sleeved on the corresponding inserting columns, and both ends of the corresponding inserting tubes and limiting plates are respectively abutted against the corresponding limiting plates, spacing slide bar is provided with a plurality ofly along annular array, a plurality of spacing slide bars slide and set up on the intubate and keep away from one side of first compression spring, set up the slide opening that supplies spacing slide bar to run through its inside and outside on the intubate, all be provided with second elasticity reset assembly on a plurality of spacing slide bars, the side all is provided with the push rod that is used for promoting the limiting plate removal along vertical direction around supporting the base, the both sides of supporting the base all are provided with the installation curb plate, be provided with the link between two installation curb plates, the both ends of link are connected with the push rod of both sides respectively, be provided with the cylinder that is used for driving the link removal on the installation curb plate.

Preferably, the upper end face of the supporting base is also provided with a locking and limiting assembly for fixing the bottom end limiting inserting plate.

Preferably, one end of the limiting slide rod, which is positioned at the inner side of the insertion pipe, is provided with an arc surface body protruding outwards.

Preferably, first elasticity reset assembly includes second slider and tension spring, and the second slider setting is seted up on the intubate on the sliding seat and is supplied the gliding spacing spout of second slider, and tension spring sets up the inside right side at the spacing spout of second, and tension spring's both ends respectively with the inner wall connection of the spacing spout of second slider and second.

Preferably, the second elastic reset assembly comprises a first sliding block and a second compression spring, the first sliding block is arranged on the limiting sliding rod, a first limiting sliding groove for the first sliding block to slide is formed in the insertion tube, and the second compression spring is arranged on the inner side of the first limiting sliding groove and the end portion of the second compression spring is abutted to the first sliding block.

Preferably, the insertion tube is of a circular tube-shaped structure, and a U-shaped groove matched with the bottom end of the insertion tube is formed in the sliding seat.

Preferably, the connecting frame comprises two transverse rods and a connecting rod, the two transverse rods are symmetrically arranged in the front and back direction, the connecting rod is fixedly arranged between the two transverse rods, and the two transverse rods are respectively and fixedly connected with the push rods on the two sides.

Preferably, a plurality of universal wheels are installed at the bottom end of the supporting base.

Preferably, the limiting insertion plate is abutted to the sliding seat with the corresponding height.

Preferably, the inserting column is provided with a third sliding block, and the inner wall of the inserting pipe is provided with a third limiting sliding groove for the third sliding block to slide.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: through the spacing picture peg and the spacing subassembly of locking that set up, can connect fixedly a plurality of sand boxes simultaneously, it is effectual to lock, has avoided the phenomenon that produces the dislocation between two adjacent sand boxes, and the structure is ingenious, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a lock catch structure used between sand boxes according to the present invention.

Fig. 2 is a schematic perspective view of a locking and limiting assembly in a locking structure for sand boxes according to the present invention.

Fig. 3 is a top view of a locking and limiting assembly in a locking structure for use between sand boxes according to the present invention.

Fig. 4 is a schematic structural view of the connection relationship between the limiting slide rod and the insertion tube in the lock catch structure between the sand boxes of the present invention.

Fig. 5 is a schematic structural diagram of a connecting frame in a locking structure for use between sand boxes according to the present invention.

Reference numerals: 1. a support base; 2. a flask main body; 3. installing a side plate; 4. a cylinder; 51. a connecting rod; 52. a cross bar; 6. a push rod; 7. a universal wheel; 8. inserting a tube; 91. inserting a column; 92. a conical head; 10. a limiting inserting plate; 11. a first compression spring; 12. a sliding seat; 13. a limiting slide bar; 14. a limiting plate; 15. a slide hole; 161. a first slider; 162. a second compression spring; 163. a first limiting chute; 171. a second slider; 172. a tension spring; 173. a second limiting chute; 18. a U-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the utility model provides a lock catch structure used between sand boxes, which comprises a supporting base 1; the supporting base 1 is provided with a plurality of sand box main bodies 2 side by side along the vertical direction, two sides of the plurality of sand box main bodies 2 are provided with locking devices, each locking device comprises a limiting insert plate 10 and a locking limiting component, the limiting insert plates 10 and the locking limiting components are respectively arranged at the upper end and the lower end of the sand box main body 2, each locking limiting component comprises an insert pipe 8, an insert column 91, a conical head 92, a first compression spring 11, a sliding seat 12, a limiting slide rod 13 and a limiting plate 14, each limiting insert plate 10 is provided with an insert hole for inserting the insert pipe 8, the sliding seat 12 is fixedly arranged on the sand box main body 2, the insert pipe 8 is in sliding connection with the sliding seat 12, a first elastic reset component is arranged between the insert pipe 8 and the sliding seat 12, one end of the insert column 91 is arranged inside the insert pipe 8 in a sliding manner, the limiting plates 14 and the conical heads 92 are respectively arranged at the inner side and the outer side of the insert pipe 8, the limiting plates 14 and the conical heads 92 are respectively fixedly connected with two ends of the insert column 91, the first compression springs 11 are sleeved on the insert column 91, and the two ends of the insert column are respectively abutted against the insert tube 8 and the limiting plates 14, spacing slide bar 13 is provided with a plurality ofly along annular array, a plurality of spacing slide bars 13 slide and set up on intubate 8 and keep away from one side of first compression spring 11, set up on the intubate 8 and supply spacing slide bar 13 to run through the slide opening 15 in its outside, all be provided with the second elasticity subassembly that resets on a plurality of spacing slide bars 13, the side all is provided with the push rod 6 that is used for promoting limiting plate 14 and removes along vertical direction around supporting base 1, the both sides of supporting base 1 all are provided with installation curb plate 3, be provided with the link between two installation curb plates 3, the both ends of link are connected with the push rod 6 of both sides respectively, be provided with the cylinder 4 that is used for driving the link removal on the installation curb plate 3.

In an alternative embodiment, the upper end surface of the supporting base 1 is also provided with a locking and limiting assembly for fixing the bottom-end limiting inserting plate 10.

In an alternative embodiment, the end of the limiting slide bar 13 located inside the insertion tube 8 is provided with an outwardly convex cambered surface body.

In an alternative embodiment, the first elastic reset assembly includes a second slider 171 and a tension spring 172, the second slider 171 is disposed on the insertion tube 8, the sliding seat 12 is opened with a second limiting sliding slot 173 for the second slider 171 to slide, the tension spring 172 is disposed on the right side of the inside of the second limiting sliding slot 173, and two ends of the tension spring 172 are respectively connected with the inner walls of the second slider 171 and the second limiting sliding slot 173.

In an alternative embodiment, the second elastic return assembly includes a first slider 161 and a second compression spring 162, the first slider 161 is disposed on the limit sliding rod 13, the cannula 8 is provided with a first limit sliding slot 163 for the first slider 161 to slide, the second compression spring 162 is disposed inside the first limit sliding slot 163, and an end of the second compression spring abuts against the first slider 161.

In an alternative embodiment, the cannula 8 is a circular tube, and the sliding seat 12 is provided with a U-shaped slot 18 matching with the bottom end of the cannula 8.

In an alternative embodiment, the connecting frame includes two cross bars 52 symmetrically arranged in front and back, and a connecting rod 51 fixedly arranged between the two cross bars 52, and the two cross bars 52 are respectively fixedly connected with the push rods 6 at two sides.

In an alternative embodiment, a plurality of universal wheels 7 are mounted to the bottom end of the support base 1.

In an alternative embodiment, the stop insert plate 10 abuts against the sliding seat 12 of a corresponding height.

In an alternative embodiment, the inserting column 91 is provided with a third sliding block, and the inner wall of the inserting tube 8 is provided with a third limiting sliding groove for the third sliding block to slide.

In use, the utility model stacks a plurality of sand box main bodies 2 above a supporting base 1 in order, and the sand box main bodies 2 are abutted against a left installation side plate 3, then the cylinder 4 is started to work, the cylinder 4 drives the connecting frame to move, the connecting frame drives two push rods 6 to move, the push rods 6 drive a plurality of limit plates 14 to move, under the cooperation action of the first compression spring 11, the limit plates 14 drive the insertion pipe 8 to move on the sliding seat 12, when the second slide block 171 moves to a limit position, the insertion pipe 8 passes through the insertion hole on the limit insertion plate 10 (at the moment, a plurality of slide holes 15 just pass through the insertion hole and are positioned at the left side position of the limit insertion plate 10), the limit plates 14 are driven to move continuously, at the moment, the first compression spring 11 is fully compressed, the insertion column 91 and the conical head 92 move to one side of the limit insertion plate 10, the conical head 92 begins to extrude a plurality of limit slide rods 13 to move, one end of the limiting slide rod 13 is moved to the outside of the insertion pipe 8 and used for limiting and fixing the limiting insertion plate 10, so that the sand box main bodies 2 can be fixed together, when the sand box main bodies 2 need to be released from fixing, the air cylinder 4 can be started to work and drive the push rod 6 to reset, the arranged first compression spring 11, the second compression spring 162 and the tension spring 172 can respectively drive the limiting plate 14, the limiting slide rod 13 and the insertion pipe 8 to reset, and the insertion pipe 8 can be automatically moved out of the insertion hole of the limiting insertion plate 10.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. A lock catch structure used between sand boxes is characterized by comprising a supporting base (1); the sand box comprises a supporting base (1), a plurality of sand box main bodies (2) are arranged on the supporting base in parallel along the vertical direction, locking devices are arranged on two sides of each sand box main body (2), each locking device comprises a limiting insert plate (10) and a locking limiting assembly, the limiting insert plates are arranged at the upper end and the lower end of each sand box main body (2) respectively, each locking limiting assembly comprises an insert pipe (8), an insert column (91), a conical head (92), a first compression spring (11), a sliding seat (12), a limiting slide rod (13) and a limiting plate (14), each limiting insert plate (10) is provided with a jack for inserting the insert pipe (8), the sliding seat (12) is fixedly arranged on the sand box main body (2), the insert pipes (8) are connected with the sliding seats (12) in a sliding mode, a first elastic reset assembly is arranged between the insert pipes (8) and the sliding seats (12), one end of each insert column (91) is arranged inside the insert pipe (8) in a sliding mode, the limiting plates (14) and the conical heads (92) are arranged on two sides of the insert pipes (8) respectively, the limiting plate (14) and the conical head (92) are respectively fixedly connected with two ends of the inserting column (91), the first compression spring (11) is sleeved on the inserting column (91) and two ends of the first compression spring are respectively abutted against the inserting tube (8) and the limiting plate (14), a plurality of limiting slide rods (13) are arranged along an annular array, the limiting slide rods (13) are arranged on the inserting tube (8) in a sliding mode and are far away from one side of the first compression spring (11), the inserting tube (8) is provided with slide holes (15) through which the limiting slide rods (13) penetrate, the limiting slide rods (13) are respectively provided with a second elastic reset assembly, the front side and the rear side of the supporting base (1) are respectively provided with a push rod (6) for pushing the limiting plate (14) to move along the vertical direction, the two sides of the supporting base (1) are respectively provided with a mounting side plate (3), a connecting frame is arranged between the two mounting side plates (3), and two ends of the connecting frame are respectively connected with the push rods (6) on two sides, and an air cylinder (4) for driving the connecting frame to move is arranged on the mounting side plate (3).

2. A lock catch structure used between sand boxes according to claim 1, wherein the upper end surface of the supporting base (1) is also provided with a locking limit component used for fixing the bottom limit insert plate (10).

3. The lock catch structure used between the sand boxes according to claim 1, wherein one end of the limiting slide rod (13) positioned at the inner side of the insertion pipe (8) is provided with an arc surface body protruding outwards.

4. The locking structure for the sand boxes according to claim 1, wherein the first elastic reset assembly comprises a second sliding block (171) and a tension spring (172), the second sliding block (171) is arranged on the insertion pipe (8), a second limiting sliding groove (173) for the second sliding block (171) to slide is formed in the sliding seat (12), the tension spring (172) is arranged on the right side of the inside of the second limiting sliding groove (173), and two ends of the tension spring (172) are respectively connected with the inner walls of the second sliding block (171) and the second limiting sliding groove (173).

5. The lock catch structure used between the sand boxes according to claim 1, wherein the second elastic reset assembly comprises a first sliding block (161) and a second compression spring (162), the first sliding block (161) is arranged on the limit sliding rod (13), a first limit sliding groove (163) for the first sliding block (161) to slide is formed in the insertion pipe (8), the second compression spring (162) is arranged on the inner side of the first limit sliding groove (163), and the end of the second compression spring is abutted against the first sliding block (161).

6. A lock catch structure used between sand boxes according to claim 1, wherein the insert pipe (8) is of a round tubular structure, and the sliding seat (12) is provided with a U-shaped groove (18) which is matched with the bottom end of the insert pipe (8).

7. The structure of claim 1, wherein the connecting frame comprises two cross bars (52) symmetrically arranged in front and back and a connecting rod (51) fixedly arranged between the two cross bars (52), and the two cross bars (52) are respectively and fixedly connected with the push rods (6) at two sides.

8. A lock catch structure for use between sand boxes according to claim 1, wherein a plurality of casters (7) are mounted to the bottom end of the support base (1).

9. A lock catch structure used between sand boxes according to claim 1, wherein the limit insert plate (10) abuts against the sliding seat (12) of the corresponding height.

10. The lock catch structure used between the sand boxes according to claim 1, wherein the insert post (91) is provided with a third slide block, and the inner wall of the insert pipe (8) is provided with a third limit slide groove for the third slide block to slide.

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