CN114704542A

CN114704542A - Plastic part quick assembly disassembly connection structure

Info

Publication number: CN114704542A
Application number: CN202210350119.6A
Authority: CN
Inventors: 权洁
Original assignee: Changzhou Vocational Institute of Textile and Garment
Current assignee: Changzhou Vocational Institute of Textile and Garment
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-05
Anticipated expiration: 2042-04-02
Also published as: CN114704542B

Abstract

The invention discloses a plastic part quick-dismounting connecting structure, and belongs to the technical field of quick connecting pieces. The inserting piece comprises a body, an inserting sleeve positioned at the front end of the body, two positioning piles clamped between the body and the inserting sleeve and a supporting block positioned between the two positioning piles, wherein the inserting sleeve is provided with an inserting block at the front end of the body, a supporting groove used for storing the supporting block is formed in the front end of the inserting block, two positioning arms are respectively arranged on two sides of the supporting groove, the positioning piles are respectively arranged between the two positioning arms on one side in a sliding mode, two fixing arms used for clamping the inserting block are respectively arranged on two sides of one end of the inserting sleeve, and the inner walls on one side, opposite to the two fixing arms, of the two fixing arms correspond to the two side walls, not provided with the positioning arms, of the inserting block. The connecting structure can save the use of a connecting rod when plastic parts are hinged.

Description

Plastic part quick assembly disassembly connection structure

Technical Field

The invention relates to the technical field of plastic products, in particular to a plastic part quick-dismounting connecting structure.

Background

The common plastic part quick connecting piece hinging method comprises the steps of inserting a connecting block of one plastic connecting piece into a connecting groove of the other plastic connecting piece, then communicating the connecting block with the inner wall of the connecting groove by using a connecting rod, and fixing the connecting rod with the connecting block or the connecting groove to complete hinging.

Because one of the plastic connecting pieces needs and connecting rod fixed connection, adopt interference fit usually, if working of plastics elasticity is not enough, insert the back at the connecting rod, the junction of working of plastics splits easily, if working of plastics elasticity is sufficient, in the use, the moment of torsion when the rotation between the connecting piece drives the connecting rod easily and also takes place rotatoryly, because the softer material of working of plastics, very easily produces wearing and tearing with the connecting rod, long-term use leads to the connecting rod to become flexible easily, drops at last.

It is necessary to provide a quick plastic part coupling structure to solve the above problems.

Disclosure of Invention

Based on the above problems in the prior art, the embodiments of the present invention are directed to: the utility model provides a working of plastics quick assembly disassembly connection structure is applicable to the quick assembly disassembly of working of plastics and connects.

The technical scheme adopted by the invention for solving the technical problems is as follows: a plastic part quick dismounting and connecting structure comprises an inserting part and a clamping part which can be clamped with or separated from the inserting part, wherein the inserting part comprises a body, an inserting sleeve positioned at the front end of the body, two positioning piles clamped between the body and the inserting sleeve and a supporting block positioned between the two positioning piles, an inserting block is arranged at the front end of the body, a supporting groove for storing the supporting block is arranged at the front end of the inserting block, two positioning arms are respectively arranged at two sides of the supporting groove, the positioning piles are respectively arranged between the two positioning arms at one side in a sliding manner, fixing arms for clamping the inserting block are respectively arranged at two sides of one end of the inserting sleeve, the inner walls at one side opposite to the two fixing arms correspond to two side walls of the inserting block without the positioning arms, and an assembling hole corresponding to the supporting block is arranged at the other end of the inserting sleeve, the assembling hole is communicated between the two fixing arms, the front end of the clamping piece is provided with a clamping arm used for clamping the inserting block and the supporting block, and the inner side of the clamping arm is provided with a positioning hole corresponding to the positioning pile.

Furthermore, the inner walls of the opposite sides of the two clamping arms are provided with guide grooves, and the top ends of the clamping arms are communicated with the positioning holes through the guide grooves.

Furthermore, a positioning pile inclined plane is arranged on one side, facing the insertion sleeve, of the top end of the positioning pile.

Furthermore, two opposite ends of the positioning piles are provided with sliding blocks, and two sides of each sliding block correspond to the inner wall of one side, opposite to the two fixing arms.

Furthermore, one side of the slider, which is close to the assembling hole, is provided with a slider inclined plane, and two sides of one end of the support block, which faces the support groove, are provided with support block inclined planes.

Furthermore, a limiting block is fixedly arranged between the two positioning arms on one side, and a limiting groove corresponding to the limiting block is formed in the side wall, far away from one side of the inclined surface of the positioning pile, of the positioning pile.

Furthermore, support plates are arranged on two sides of the support groove, which are not provided with the positioning arms.

Furthermore, the two sides of the fixed arm, which are not arranged at one end of the insertion sleeve, are provided with two auxiliary positioning arms.

Furthermore, the supporting block side wall is provided with a convex block, the inner wall of the assembling hole is provided with a groove corresponding to the convex block, and the number of the convex block and the groove is not less than one.

Furthermore, one end of the supporting block, which is far away from the inserting piece, is provided with a grabbing groove.

The beneficial effects of the invention are: according to the quick disassembly and assembly connecting structure for the plastic part, the insertion part and the clamping part are separated before installation, the quick disassembly and assembly connecting structure is convenient to carry, and does not need to carry a bolt, when the quick disassembly and assembly connecting structure is installed, the insertion block and the insertion sleeve form a whole, the insertion block and the insertion sleeve are pushed into the insertion groove, the inclined surface of the positioning pile can help the positioning pile to be retracted into the insertion block and the insertion sleeve through the first positioning groove and the second positioning groove, the insertion block and the insertion sleeve can enter the insertion groove, meanwhile, the part, which is not retracted, of the positioning pile is clamped into the guide groove, the insertion direction is helped to be controlled in the assembling process until the positioning pile is aligned to the positioning hole, the positioning pile is in sliding connection with the positioning hole after the positioning pile extends out, the insertion part and the clamping part are hinged, so that the insertion part and the clamping part can rotate around the positioning pile to achieve the connecting effect.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

In the figure:

FIG. 1 is a schematic view of a plastic part quick-release connection structure according to the present invention;

FIG. 2 is a cross-sectional view of the quick release coupling arrangement of the plastic part shown in FIG. 1;

FIG. 3 is a partially exploded view of the quick release coupling structure of the plastic part of FIG. 1;

FIG. 4 is an exploded view of the insert of the quick release coupling arrangement of plastic parts shown in FIG. 3;

FIG. 5 is a partial cross-sectional view of the insert shown in FIG. 4;

wherein, in the figures, the respective reference numerals:

1. an insert; 11. a body; 111. inserting a block; 112. a support groove; 113. a positioning arm;

114. a limiting block; 115. a support plate; 12. an insertion sleeve; 121. a fixed arm; 122. assembling holes;

123. an auxiliary positioning arm; 124. a groove; 13. positioning the pile; 131. positioning the inclined plane of the pile; 132. a slider; 133. a limiting groove; 134. a slider ramp; 14. a support block; 141. a support block inclined plane; 142. a bump; 143. a grabbing groove;

2. a fastener; 21. a clamp arm; 211. positioning holes; 212. a guide groove.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1 to 5, the present invention provides a quick-release connecting structure for plastic parts, which comprises an insert 1 and a fastener 2 capable of being engaged with or disengaged from the insert 1.

The insert 1 comprises a body 11, an insert sleeve 12 positioned at the front end of the body 11, two positioning piles 13 clamped between the body 11 and the insert sleeve 12 and a supporting block 14 positioned between the two positioning piles 13, the front end of the body 11 is provided with an insert block 111, the front end of the insert block 111 is provided with a supporting groove 112 for storing the supporting block 14, two sides of the supporting groove 112 are respectively provided with two positioning arms 113, the positioning piles 13 are respectively arranged between the two positioning arms 113 at one side in a sliding manner, two sides of one end of the insert sleeve 12 are respectively provided with a fixed arm 121 for clamping the insert block 111, the inner wall at one side opposite to the two fixed arms 121 corresponds to two side walls of the insert block 111 without the positioning arms 113, the other end of the insert sleeve 12 is provided with an assembling hole 122 corresponding to the supporting block 14, the assembling hole 122 is communicated between the two fixed arms 121, the front end of the fastener 2 is provided with a clamping arm 21 for clamping the insert block 111 and the supporting block 14, the inner side of the clamping arm 21 is provided with a positioning hole 211 corresponding to the positioning pile 13. In this embodiment, when assembling the insert 1, the positioning studs 13 are respectively placed between two positioning arms 113 on one side, then the insertion block 111 is inserted between the positioning arms 113, after the insertion block 111 is inserted to the extreme position, the body 11 and the insertion sleeve 12 are fixed, at this time, the supporting groove 112 is matched with the positioning arms 113, the fixing arm 121 and the insertion sleeve 12 to form a groove, the gap between the positioning arms 113 and the assembling hole 122 are all communicated with the groove, when assembling the insert 1 and the engaging member 2, the insert 1 in the above state is directly inserted between the clamping arms 21 as shown in fig. 3, since the positioning studs 13 are slidably arranged between the positioning arms 113, the positioning studs 13 can be retracted into the supporting groove 112, at this time, the insertion block 111 and the insertion sleeve 12 can be inserted into the clamping arms 21 without hindrance, when the positioning studs 13 are aligned with the positioning holes 211, the insert 1 or the engaging member 2 is rotated by a certain angle as shown in fig. 1, the assembling holes 122 are exposed, the supporting blocks 14 are inserted into the supporting grooves 112 through the assembling holes 122, the positioning piles 13 are pushed out of the supporting grooves 112 by the supporting blocks 14 and extend into the positioning holes 211, the positioning piles 13 cannot retract again through the supporting of the supporting blocks 14, the clamping and sliding connection with the positioning holes 211 is maintained, and the effect of connection of the clamping pieces 2 of the inserting pieces 1 is achieved.

As shown in fig. 1 and 3, in some embodiments, the inner walls of the two opposite sides of the holding arms 21 are provided with guide grooves 212, and the guide grooves 212 communicate the top ends of the holding arms 21 with the positioning holes 211. In this embodiment, when the inserting member 1 and the engaging member 2 are assembled, the non-retracted portion of the positioning pile 13 is clamped into the guiding groove 212, and at this time, in the assembling process, the positioning pile 13 can drive the inserting block 111 and the inserting sleeve 12 to complete inserting along the direction of the guiding groove 212 until the positioning pile 13 enters the positioning hole 211, and the inserting is completed when the positioning pile is blocked by the inner wall of the positioning hole 211 and cannot move continuously, so as to achieve the effect of assisting quick connection.

As shown in fig. 1-5, in some of these embodiments, the spud 13 is provided with a spud bevel 131 at the top end towards the side of the insertion sleeve 12. In this embodiment, when the positioning pile 13 is clamped into the guide slot 212, if the part of the positioning pile 13 that is not retracted is too long, the inclined surface 131 of the positioning pile can be matched with the inner wall of the inlet of the guide slot 212 to push the too long part of the positioning pile 13 into the support slot 112, thereby further simplifying the hinge connection between the insert 1 and the fastener 2.

As shown in fig. 3 and 5, in some embodiments, the opposite ends of the two positioning studs 13 are provided with sliding blocks 132, and two sides of the sliding blocks 132 correspond to the inner walls of the opposite sides of the two fixing arms 121. In this embodiment, when the block 111 and the insert sleeve 12 are inserted in the assembly, the slider 132 is located between the positioning arms 113, after the block 111 and the insert sleeve 12 are inserted in the assembly, the slider 132 is slidably connected in the supporting groove 112 and the groove formed by the insert sleeve 12, on one hand, the positioning pile 13 is prevented from being completely separated from the supporting groove 112, resulting in incomplete connection between the insert 1 and the engaging member 2, on the other hand, in the using process of the insert 1 and the engaging member 2, the positioning pile 13 is clamped by the insert sleeve 12 in a matching manner, the positioning pile 13 is prevented from rotating relative to the body 11, resulting in the positioning pile inclined plane 131 aligning to the guide groove 212, the positioning pile is easily separated when the stress is too large, and simultaneously, the positioning pile 13 and the body 11 are fixed by the supporting block 14, the positioning pile is not easy to shake, and the rotation stability after the hinge connection is ensured.

As shown in fig. 2 to 4, in some embodiments, a limiting block 114 is fixedly disposed between two positioning arms 113 on one side, and a limiting groove 133 corresponding to the limiting block 114 is disposed on a side wall of the positioning pile 13 away from the positioning pile inclined plane 131. In this embodiment, when the insertion block 111 and the insertion sleeve 12 are installed, the limiting block 114 and the limiting groove 133 can temporarily fix the spud 13 and the insertion block 111, so as to avoid dislocation or dropping of the spud 13 during installation, facilitate installation, avoid the spud 13 from completely retracting into the support groove 112, and being difficult to take out, and ensure that when the spud 13 retracts, part of the spud 13 can be exposed for matching with the guide groove 212 to guide when the insertion piece 1 and the engaging piece 2 are assembled.

As shown in fig. 4, in some embodiments, the slider 132 is provided with a slider inclined surface 134 on a side thereof close to the assembly hole 122, and the supporting block 14 is provided with a supporting block inclined surface 141 on both sides thereof facing one end of the supporting groove 112. In this embodiment, when the supporting block 14 is inserted into the supporting groove 112, due to the position limitation of the position limitation block 114 and the position limitation groove 133 on the positioning pile 13, it can be ensured that one end of the supporting block inclined plane 141 is automatically inserted between the two sliders 132, and then the supporting block 14 can automatically extrude the sliders 132 to both sides through the interaction of the slider inclined plane 134 and the supporting block inclined plane 141, thereby simplifying the installation process.

As shown in fig. 4 and 5, in some embodiments, support plates 115 are disposed on both sides of the support groove 112 where the positioning arm 113 is not disposed. In this embodiment, when the insertion block 111 and the insertion sleeve 12 are installed, the support plate 115 may be matched with the limiting block and the limiting groove 133 to further fix the positioning pile 13, and simultaneously matched with the fixing arm 121 to limit the moving direction of the sliding block 132 after the insertion block 111 and the insertion sleeve 12 are assembled, so as to avoid the inclined dislocation of the positioning pile 13 when the sliding block 132 is inserted.

As shown in fig. 2-5, in some embodiments, two auxiliary positioning arms 123 are disposed on both sides of the insertion sheath 12 at the end where the fixing arm 121 is not disposed. In this embodiment, after the insertion block 111 and the insertion sleeve 12 are assembled, the two positioning arms 113 and the auxiliary positioning arm 123 on the same side are combined into a hole corresponding to the positioning pile 13, so that the insertion piece 1 and the clamping piece 2 can be prevented from being used, the positioning pile 13 is further fixed by the sliding block 132, and the positioning pile 13 is prevented from being inclined in the using process.

As shown in fig. 2 and 5, in some embodiments, the side wall of the supporting block 14 is provided with a protrusion 142, the inner wall of the assembly hole 122 is provided with a groove 124 corresponding to the protrusion 142, and the number of the protrusion 142 and the groove 124 is not less than one. In this embodiment, the number of the protrusions 142 and the grooves 124 is two, because the protrusions 142 and the grooves 124 are smaller, the protrusions 142 can only allow the supporting block 14 to enter the assembling hole 122 through small deformation, and therefore are not limited by elasticity of the plastic member, and when the supporting block 14 is inserted into a corresponding position, the protrusions 142 can be clamped into the grooves 124, and the supporting block 14 is fixed, but only a small force is needed to allow the protrusions 142 and the grooves 124 to be separated from each other, and in the using process, when the inserting member 1 and the clamping member 2 rotate relatively, the supporting block 14 can receive a rotating force, and the protrusions 142 and the grooves 124 cannot be separated from each other, so that the effect of temporarily fixing the whole inserting member 1 is achieved, and the assembling and disassembling are easy.

As shown in fig. 1-5, in some of these embodiments, the end of the support block 14 remote from the insert 1 is provided with a gripping groove 143. In this embodiment, the grasping groove 143 facilitates the user to grasp the supporting block 14, facilitating the detachment.

In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a working of plastics quick assembly disassembly connection structure which characterized in that: the inserting piece comprises a body, an inserting sleeve positioned at the front end of the body, two positioning piles clamped between the body and the inserting sleeve and a supporting block positioned between the two positioning piles, wherein the front end of the body is provided with an inserting block, the front end of the inserting block is provided with a supporting groove for storing the supporting block, two sides of the supporting groove are respectively provided with two positioning arms, the positioning piles are respectively and slidably arranged between the two positioning arms at one side, two sides of one end of the inserting sleeve are respectively provided with a fixed arm for clamping the inserting block, the inner wall at one side opposite to the two fixed arms corresponds to the two side walls of the inserting block without the positioning arms, the other end of the inserting sleeve is provided with an assembling hole corresponding to the supporting block, and the assembling hole is communicated between the two fixed arms, the front end of the clamping piece is provided with a clamping arm used for clamping the inserting block and the supporting block, and the inner side of the clamping arm is provided with a positioning hole corresponding to the positioning pile.

2. The plastic part quick connect disconnect coupling structure of claim 1, wherein: the inner walls of the two opposite sides of the clamping arms are provided with guide grooves, and the top ends of the clamping arms and the positioning holes are communicated through the guide grooves.

3. The plastic part quick release connection structure of claim 1, wherein: and a positioning pile inclined plane is arranged at one side of the top end of the positioning pile, which faces the insertion sleeve.

4. The plastic part quick connect disconnect coupling structure of claim 1, wherein: two the relative one end of spud is provided with the slider, the slider both sides with two the relative one side inner wall of fixed arm corresponds.

5. The plastic part quick disconnect coupling structure of claim 4, wherein: one side of the slider, which is close to the assembling hole, is provided with a slider inclined plane, and two sides of one end, which faces the supporting groove, of the supporting block are provided with supporting block inclined planes.

6. The plastic part quick connect disconnect coupling structure of claim 1, wherein: and limiting blocks are fixedly arranged between the two positioning arms on one side, and the side wall of one side of the inclined surface of the positioning pile is provided with a limiting groove corresponding to the limiting blocks.

7. The plastic part quick connect disconnect coupling structure of claim 1, wherein: and support plates are arranged on two sides of the support groove, which are not provided with the positioning arms.

8. The plastic part quick connect disconnect coupling structure of claim 1, wherein: insert cover one end and do not set up the both sides of fixed arm all are provided with two auxiliary positioning arms.

9. The plastic part quick connect disconnect coupling structure of claim 1, wherein: the supporting block side wall is provided with a convex block, the inner wall of the assembling hole is provided with a groove corresponding to the convex block, and the number of the convex block and the groove is not less than one.

10. The plastic part quick connect disconnect coupling structure of claim 1, wherein: and one end of the supporting block, which is far away from the insert, is provided with a grabbing groove.