CN222046361U - Mortise and tenon overlap structure and vehicle decorative part - Google Patents

Abstract

The application discloses a mortise and tenon joint structure and a vehicle decoration piece, wherein the mortise and tenon joint structure comprises a first assembly part and a second assembly part, and mortise holes and fixed mortise slots which are communicated are formed in the first assembly part; the second assembly part is matched with the first assembly part in an alignment way; a tenon is convexly arranged on one side, facing the first assembly part, of the second assembly part, the tenon is matched with the mortise, and the tenon can move back and forth between the mortise and the fixed mortise; a first limiting structure is arranged on one side, away from the second assembly part, of the first assembly part, and a second limiting structure is arranged on the second assembly part; when the second assembly part moves into the fixed mortise, the first limiting structure is clamped with the second limiting structure. According to the application, the first assembly part and the second assembly part are connected through the mortise and tenon structure, and the first limit structure and the second limit structure are arranged to achieve the anti-falling effect, so that the stability and the reliability of connection are improved, the structure is simple, and the assembly is convenient.

Description

Mortise and tenon joint structure and vehicle decoration

Technical Field

The application relates to the technical field of automobile manufacturing, in particular to a mortise and tenon joint structure and a vehicle decoration.

Background

At present, in the automobile manufacturing process, thousands of plastic parts and metal parts with the size are required to be assembled on a frame, and as the applied parts are increased, the connection between related parts is gradually increased, and the two parts are connected in the related technology in a threaded connection, welding, clamping connection, interference fit and the like. For example, in the prior art CN215455852U, a button with a mortise and tenon structure is disclosed, and the mortise and tenon are matched to form a mortise and tenon structure, so that the lower plate and the upper plate are connected to form an integral structure.

However, the mortise and tenon structure in the related art is easy to loosen reversely along the insertion direction in the use process, and the matching reliability between parts is affected.

Disclosure of utility model

The application provides a mortise and tenon joint structure and a vehicle decoration piece, which are used for solving the technical problem that two parts connected through the mortise and tenon joint structure in the related art are easy to loosen, and the connection reliability is affected.

The embodiment of the first aspect of the application provides a mortise and tenon joint structure, which comprises a first assembly part and a second assembly part, wherein mortise and fixed mortise which are communicated are arranged on the first assembly part; the second assembly part is matched with the first assembly part in an alignment way; a tenon is arranged on one side, facing the first assembly part, of the second assembly part in a protruding mode, the tenon is matched with the mortise, and the tenon can move back and forth between the mortise and the fixed mortise; a first limiting structure is arranged on one side, away from the second assembly part, of the first assembly part, and a second limiting structure is arranged on the second assembly part; when the second assembly part moves into the fixed mortise, the first limiting structure is clamped with the second limiting structure.

According to the technical means, the first limiting structure and the second limiting structure are respectively arranged on the first assembly part and the second assembly part to conduct constraint, so that the firmness and the stability of the two parts in the mortise-tenon joint state are improved, and looseness in the use process is avoided.

Optionally, the width of the mortise is larger than the width of the fixing mortise; the tenon comprises a connecting section and a plug-in section, one side of the connecting section is connected with the second assembly part, and the other side of the connecting section is connected with the plug-in section; the width of the inserting section is larger than that of the fixing mortise and smaller than or equal to that of the mortise; the width of the connecting section is smaller than or equal to the width of the fixed mortise and tenon joint.

According to the technical means, the mortise and the fixed mortise are arranged in different widths, the assembling accuracy is improved when the tenon is assembled, the tenon inserting and misplacing is avoided, after the tenon is inserted into the fixed mortise, the inserting section is clamped at one side of the first assembly part, which is away from the second assembly part, so that the tenon is kept stable, and the tenon cannot fall out of the fixed mortise, so that the effect of firmly connecting the first assembly part and the second assembly part is achieved.

Optionally, the first limiting structures are arranged on the first assembly part in a protruding mode, two first limiting structures are arranged, and the two first limiting structures are distributed on two sides of the fixed mortise; the second limiting structure is arranged on the inserting section and is positioned on one side of the inserting section, which faces the first limiting structure.

According to the technical means, the two first limiting structures and the two second limiting structures are matched, so that the stability of tenon connection is improved, and when the tenon is in a connection state, no matter which side of the fixed tenon slot is inclined, the first limiting structures are used for restraining, the stability of connection is further improved, and looseness is avoided.

Optionally, a guiding inclined plane is arranged on one side, facing the mortise, of the first limiting structure.

According to the technical means, the guide inclined plane is arranged to facilitate the tenon to move from the mortise to the fixed mortise in the assembling process, so that hard collision is avoided, the smoothness of tenon assembling is improved, and the assembling is facilitated.

Optionally, a guiding chamfer is arranged at the position where the mortise is connected with the fixed mortise.

According to the technical means, when the tenon moves from the wider mortise to the narrower fixed mortise, the alignment difficulty is reduced through the guide chamfer, and the fluency of assembly operation is improved.

Optionally, the mortise is rectangular.

According to the technical means, the lengths of the side edges of the mortise are unequal, so that the tenon is limited in direction when inserted into the mortise, an error-proofing effect is achieved, the tenon is facilitated to be inserted into the mortise in a correct posture, the tenon is convenient to move towards the fixed mortise, and assembly operation is facilitated.

Optionally, an indication arrow is protruding on the second assembly part, and the indication arrow points to the direction of the fixed mortise along the mortise.

According to the technical means, the indication arrow is arranged to indicate the moving direction of the tenon during assembling, so that accurate assembling operation is facilitated by vision auxiliary operators.

Optionally, the first fitting is a plastic fitting or a metal fitting; and/or the second fitting is a plastic fitting or a metal fitting.

According to the technical means, the first assembly part and the second assembly part are made of plastics or metals, have certain toughness and hardness, are easy to process and shape, have long service life and are not easy to deform.

Optionally, the first fitting and the first limiting structure are integrally formed; and/or, the second fitting is integrally formed with the tenon.

According to the technical means, the integral strength of the structure manufactured by integral molding is higher, and the structure is not easy to break or damage, so that the structure is beneficial to long-term use.

An embodiment of a second aspect of the present application provides a vehicle trim piece, including: the mortise and tenon joint structure according to any one of the above.

The application has the beneficial effects that:

According to the utility model, the first assembly part and the second assembly part are assembled in a mortise-tenon connection mode, so that the connection reliability is improved. The tenon is relative with the mortise, after the tenon inserts the mortise, removes to fixed mortise to the card realizes fixing in fixed mortise, in order to prevent to receive external force collision or vibration influence second assembly part direction removal that leads to in the use, has set up first limit structure and second limit structure. When the tenon moves into the fixed tenon groove, the first limiting structure and the second limiting structure are aligned, so that clamping connection can be realized, under the condition that the first limiting structure is blocked, the second assembly is blocked on the first assembly, loosening is avoided, the stability of a connection state is kept, and the mortise and tenon lap joint structure is convenient to use.

Drawings

Fig. 1 is a front view of a mortise and tenon joint structure provided according to an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line AA in FIG. 1;

FIG. 3 is a schematic view of a portion of a first fitting according to an embodiment of the present application;

FIG. 4 is a schematic view of another portion of the first fitting of an embodiment of the present application;

FIG. 5 is a schematic view of a portion of a second fitting according to an embodiment of the present application;

FIG. 6 is a schematic structural view of a mortise and tenon joint structure according to an embodiment of the present application;

Fig. 7 is a partial enlarged view at B in fig. 6.

Wherein 10-the first fitting; 11-mortise; 12-fixing the mortises; 13-a first limiting structure; 131-guiding inclined plane; 14-guiding chamfering; 20-a second fitting; 21-tenon; 211-a connection section; 212-plug-in section; 22-a second limiting structure; 23-arrow.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.

The mortise and tenon joint structure and the vehicle decoration member according to the embodiment of the application are described below with reference to the drawings. Aiming at the problem that in the related art, a tenon is easy to loosen reversely along the insertion direction in the use process of the mortise and tenon structure in the background art, and the matching reliability between parts is affected, the application provides the mortise and tenon lap joint structure, which can be used for clamping a first assembly part and a second assembly part by additionally arranging a first limiting structure and a second limiting structure. Therefore, the technical problem that the mortise and tenon structure in the related art is likely to be loosened is solved.

Referring to fig. 1-7, embodiments of a mortise and tenon joint structure and a vehicle decoration are provided.

As shown in fig. 1,2,3 and 4, the mortise and tenon joint structure of the present application includes a first assembly member 10 and a second assembly member 20, wherein mortise 11 and fixed mortise 12 are communicated with each other on the first assembly member 10; the second fitting 20 is aligned with the first fitting 10; a tenon 21 is convexly arranged on one side of the second assembly part 20 facing the first assembly part 10, the tenon 21 is matched with the mortise 11, and the tenon 21 can move back and forth between the mortise 11 and the fixed mortise 12; a first limiting structure 13 is arranged on one side, away from the second assembly part 20, of the first assembly part 10, and a second limiting structure 22 is arranged on the second assembly part 20; when the second assembly 20 moves into the fixing groove 12, the first limiting structure 13 is clamped with the second limiting structure 22.

Specifically, the present utility model assembles the first assembly member 10 and the second assembly member 20 by mortise-tenon connection to improve connection reliability. The tenon 21 is opposite to the mortise 11, and when the tenon 21 is inserted into the mortise 11, the tenon moves towards the fixed mortise 12 to be clamped in the fixed mortise 12 to realize fixation, and in order to prevent the second assembly 20 from moving in the direction caused by the impact of external force or vibration in the use process, a first limiting structure 13 and a second limiting structure 22 are arranged. When the tenon 21 moves into the fixed mortise 12, the first limiting structure 13 and the second limiting structure 22 are aligned, so that clamping connection can be realized, in this case, the second assembly part 20 is blocked on the first assembly part 10 after being blocked by the first limiting structure 13, so that the connection firmness and stability are improved, loosening is avoided, the stability of a connection state is kept, and the mortise and tenon joint structure is convenient to use.

In one implementation of the embodiment of the present application, the width of the mortise 11 is greater than the width of the fixing mortise 12; the tenon 21 comprises a connecting section 211 and a plug section 212, wherein one side of the connecting section 211 is connected with the second assembly part 20, and the other side is connected with the plug section 212; wherein, the width of the insertion section 212 is larger than the width of the fixing mortise 12 and smaller than or equal to the width of the mortise 11; the width of the connecting section 211 is smaller than or equal to the width of the fixed mortise and tenon joint.

Specifically, the mortise 11 and the fixed mortise 12 are provided with different widths, the tenon 21 is also divided into a plug section 212 and a connecting section 211 with different widths, the plug section 212 is positioned at the front end, the mortise 11 is inserted firstly, the plug section 212 is larger than the fixed mortise 12 in width, the situation that the plug section 212 is misplaced into the fixed mortise 12 is avoided, then the connecting section 211 enters the mortise 11 again, in the moving process, the plug section 212 is positioned at one side of the first assembly part 10, which is far away from the second assembly part 20, the connecting section 211 moves from the mortise 11 into the fixed mortise 12, at the moment, the plug section 212 is blocked at one side of the first assembly part 10, which is far away from the second assembly part 20, cannot be pulled out from the fixed mortise 12 due to the larger width, the effect of fixedly connecting the first assembly part 10 and the second assembly part 20 is achieved, and the accuracy of assembling the tenon 21 is improved. That is, the tenon 21 can be inserted into the mortise 11 first and then moved into the fixed mortise 12, so as to avoid misoperation, thereby achieving the effect of firmly connecting the first assembly member 10 and the second assembly member 20.

As shown in fig. 5, 6 and 7, in one implementation manner of the embodiment of the present application, the first limiting structures 13 are convexly disposed on the first assembly part 10, and two first limiting structures 13 are disposed on two sides of the fixed mortise 12, where the two first limiting structures 13 are distributed; the second limiting structure 22 is disposed on the plugging section 212 and located at a side of the plugging section 212 facing the first limiting structure 13.

Specifically, the first limiting structure 13 disclosed in the present embodiment may be configured as a bump, protruding from the surface of the first fitting 10 toward a direction away from the second fitting 20; the second limiting structure 22 may be provided as a groove on a surface of the plug section 212 facing the side of the first fitting 10. The locking is performed by adopting the clamping manner of the convex block and the concave groove, so that after the first assembly part 10 is connected with the second assembly part 20, the side wall of the convex block supports the concave groove, and the tenon 21 is restrained and cannot loose any more in the assembly direction.

Specifically, in this embodiment, two first limiting structures 13 and two second limiting structures 22 are paired, so that when the tenon 21 is in a connection state, no matter which side of the fixed tenon 12 is inclined, the tenon 21 is further improved in connection stability and loose is avoided, and the tenon is constrained by the first limiting structures 13.

As shown in fig. 3 and fig. 7, in one implementation manner of the embodiment of the present application, a guiding inclined plane 131 is disposed on a side of the first limiting structure 13 facing the mortise 11.

Specifically, the guiding inclined plane 131 is provided to avoid hard collision in the process of moving the tenon 21 from the mortise 11 to the fixed mortise 12, and smooth connection between the guiding inclined plane 131 and the surface of the first assembly member 10 is utilized to enable the tenon 21 to move along the guiding inclined plane 131 in the assembly process, so that the tenon 21 slides smoothly, the assembly smoothness of the tenon 21 is improved, and the assembly is convenient.

In one implementation of the embodiment of the present application, as shown in fig. 3 and 4, a guiding chamfer 14 is provided at a position where the mortise 11 is connected to the fixing groove 12.

Specifically, when the tenon 21 moves from the wider mortise 11 to the narrower fixed mortise 12, the alignment difficulty is reduced through the guide chamfer 14, and the smoothness of assembly operation is improved.

In one implementation manner of the embodiment of the present application, the mortise 11 is rectangular in shape.

Specifically, during actual manufacturing, the tenon 21 and the mortise 11 can be set to be in various shapes, in order to avoid errors in assembly direction, lengths of adjacent sides of the mortise 11 are unequal, namely, the mortise is rectangular, the corresponding tenon 21 can only be set to be rectangular, so that the tenon 21 is limited in direction when being inserted into the mortise 11, an error-proofing effect is achieved, the tenon 21 is facilitated to be inserted into the mortise 11 in a correct posture, and the tenon is convenient to move towards the fixed mortise 12 subsequently, so that assembly operation is facilitated.

In one implementation of the embodiment of the present application, as shown in fig. 1, 5 and 7, the second fitting 20 is provided with an indication arrow 23 protruding therefrom, and the indication arrow 23 points in the direction of the fixing groove 12 along the mortise 11.

Specifically, the indication arrow 23 is provided to indicate the moving direction of the tenon 21 when assembled, which is advantageous for accurate assembly operation by a vision-assisted operator. The indication arrow 23 disclosed in this embodiment may be manufactured by stamping, integrally forming a mold, welding, etc., and a manufacturing method with simple operation and low cost may be selected according to the actual working conditions.

In one implementation of the embodiment of the present application, the first fitting 10 is a plastic fitting or a metal fitting; and/or the second fitting 20 is a plastic fitting or a metal fitting.

Specifically, the first assembly member 10 and the second assembly member 20 are made of plastic or metal, have certain toughness and hardness, are easy to process and shape, have long service life, and are not easy to deform. For example, the plastic material is applied to the field of automobiles, the special-shaped plastic parts can be directly formed by means of extrusion molding, mold forming and the like, and a plurality of special-shaped plastic parts are assembled together, so that the appearance of an automobile body is exquisite, the connection is stable, and the firm and reliable connection can be maintained in the running process of the automobile. Of course, the metal fittings on the automobile can also adopt the mortise and tenon joint structure disclosed in the embodiment. In addition, the assembly method can also be applied to the field of household, the assembly mode between the first assembly part 10 and the second assembly part 20 is simple, the first assembly part 10 and the second assembly part 20 are manufactured by adopting plastic or metal materials, and then the assembly is carried out, so that furniture such as a cabinet, a table, a bed and the like which are firmly connected can be obtained, the stability is good, the service life is long, and the looseness is not easy to occur.

In one implementation of the embodiment of the present application, the first fitting 10 is integrally formed with the first limiting structure 13; and/or the second fitting 20 is integrally formed with the tenon 21.

Specifically, the integral strength of the structure manufactured by integral molding is higher, and the structure is not easy to break or damage, thereby being beneficial to long-term use. In this embodiment, the first assembly member 10 and the second assembly member 20 may be made of plastic or metal materials, and the plastic material and the metal material are easy to process and are convenient for integrally forming.

In addition, based on the mortise and tenon joint structure of any one of the above embodiments, the embodiment of the application further provides a vehicle decoration piece, wherein the mortise and tenon joint structure comprises any one of the above.

In the description of the present specification, reference to the term "embodiment," "any embodiment," or "implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations. Furthermore, various embodiments or implementations, as well as features of various embodiments or implementations, described in this specification may be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Claims (10)

1. Mortise and tenon joint structure, its characterized in that includes:

The first assembly part is provided with mortise and fixed mortise communicated with each other;

The second assembly part is matched with the first assembly part in an alignment way; a tenon is arranged on one side, facing the first assembly part, of the second assembly part in a protruding mode, the tenon is matched with the mortise, and the tenon can move back and forth between the mortise and the fixed mortise;

A first limiting structure is arranged on one side, away from the second assembly part, of the first assembly part, and a second limiting structure is arranged on the second assembly part; when the second assembly part moves into the fixed mortise, the first limiting structure is clamped with the second limiting structure.

2. The mortise and tenon joint structure according to claim 1, characterized in that the mortise has a width larger than that of the fixing mortise; the tenon comprises a connecting section and a plug-in section, one side of the connecting section is connected with the second assembly part, and the other side of the connecting section is connected with the plug-in section; the width of the inserting section is larger than that of the fixing mortise and smaller than or equal to that of the mortise; the width of the connecting section is smaller than or equal to the width of the fixing mortise.

3. The mortise and tenon joint structure according to claim 2, wherein the first limiting structures are arranged on the first assembly part in a protruding mode, two first limiting structures are arranged on two sides of the fixed mortise, and the two first limiting structures are distributed on two sides of the fixed mortise;

The second limiting structure is arranged on the inserting section and is positioned on one side of the inserting section, which faces the first limiting structure.

4. The mortise and tenon joint structure according to claim 3 wherein a guiding inclined surface is provided on a side of the first limiting structure facing the mortise.

5. The mortise and tenon joint structure according to claim 2, characterized in that a guide chamfer is provided at a position where the mortise is connected with the fixed mortise.

6. The mortise and tenon joint structure according to claim 2, wherein the mortise holes are rectangular in shape.

7. The mortise and tenon joint structure according to claim 1, wherein the second assembly member is provided with an indication arrow protruding therefrom, and the indication arrow is directed in a direction along the mortise to the fixed mortise.

8. The mortise and tenon joint structure according to claim 1, characterized in that the first fitting is a plastic fitting or a metal fitting; and/or the second fitting is a plastic fitting or a metal fitting.

9. The mortise and tenon joint structure according to claim 1, characterized in that the first fitting is integrally formed with the first limiting structure; and/or, the second fitting is integrally formed with the tenon.

10. A vehicle trim piece, characterized by comprising: a mortise and tenon joint structure as defined in any one of claims 1 to 9.