Positioning structure for lamp welding

Abstract

The utility model provides a positioning structure for lamp welding, which is used for fixing the position of a lamp in a welding tool, the lamp comprises a lamp housing and a lampshade matched with the lamp housing, and the positioning structure is characterized by comprising a positioning hole assembly and a positioning seat matched with the positioning hole assembly, the positioning hole assembly is arranged on the side, away from the lampshade, of the lamp shell, the positioning hole assembly comprises a main positioning hole, a secondary positioning hole and at least one connecting hole, and the main positioning hole, the secondary positioning hole and the connecting hole are independently formed; the positioning seat comprises a base and a positioning rod assembly connected with the base, the positioning rod assembly comprises a first positioning rod matched with the main positioning hole, a second positioning rod matched with the secondary positioning hole and at least one connecting rod, and the connecting rod is matched with the connecting hole. The positioning structure is arranged to fix the welding position of the lamp, and the welding sealing quality of the lamp is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding of vehicle lamps, in particular to a positioning structure for welding lamps. Background Art

[0002] Vehicle lamps are essential lighting equipment for vehicles and are also tools for vehicles to send out various driving signals. Nowadays, people are increasingly concerned about the stability and reliability of vehicle lamps when purchasing vehicles, and the welding and sealing quality of lamps during the production process is one of the key factors affecting the performance of lamps.

[0003] The welding steps of lamps in the production process are generally to first put the lampshade cover on the lamp shell, and then place the entire lamp in the welding tooling on the production line for welding to achieve the sealing of the lamp. However, the traditional welding tooling is not equipped with a device to position and fix the lamp. The welding points on the lamp are prone to shift during the welding process, resulting in welding leaks or cold welds. The welding quality of the lamps on the entire production line cannot be controlled, resulting in sealing failure and leakage problems in a batch of lamps. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a positioning structure for lamp welding, aiming to solve the problem that the traditional welding tooling in the prior art is not equipped with a device for positioning and fixing the lamp, the welding points on the lamp are prone to offset during the welding process, resulting in welding leaks or cold welds, and the welding quality of the lamps on the entire production line cannot be controlled, resulting in technical problems such as sealing failure and water leakage in batches of lamps.

[0005] The utility model aims to provide a positioning structure for lamp welding, which is used to fix the position of the lamp in the welding tool, wherein the lamp comprises a lamp housing and a lampshade matched with the lamp housing, and is characterized in that the positioning structure comprises a positioning hole assembly and a positioning seat matched with the positioning hole assembly, wherein the positioning hole assembly is arranged on a side of the lamp housing away from the lampshade, wherein the positioning hole assembly comprises a main positioning hole, a secondary positioning hole and at least one connecting hole, wherein the main positioning hole, the secondary positioning hole and the connecting hole are arranged independently of each other;

[0006] The positioning seat includes a base and a positioning rod assembly connected to the base, the positioning rod assembly includes a first positioning rod adapted to the main positioning hole, a second positioning rod adapted to the secondary positioning hole, and at least one connecting rod adapted to the connecting hole.

[0007] The above-mentioned positioning structure for lamp welding is achieved by setting a positioning hole assembly on the lamp housing of the lamp and setting a corresponding positioning rod assembly on the positioning structure. The positioning hole assembly cooperates with the positioning rod assembly to achieve precise positioning of the lamp on the positioning structure, so that the position of the lamp in the welding tool is fixed, and the lamp does not shift during the welding process, thereby improving the welding accuracy between the lampshade and the lamp housing in the lamp, avoiding undesirable conditions such as welding leakage and cold welding during the welding process, thereby improving the welding sealing quality of the lamp, and achieving the purpose of stable and reliable sealing performance of the lamp. Specifically, the positioning hole assembly on the lamp housing includes a main positioning hole, a secondary positioning hole and at least one connecting hole, and the positioning rod assembly of the positioning structure includes a first positioning rod adapted to the main positioning hole, a second positioning rod adapted to the secondary positioning hole and at least one connecting rod, and the connecting rod is adapted to the connecting hole. In actual use, the lamp housing can be initially positioned on the base by aligning and inserting the first positioning rod into the main positioning hole and aligning and inserting the second positioning rod into the secondary positioning hole, and then the fixing accuracy and fixing stability of the lamp housing on the base can be improved by aligning and inserting the connecting rod into the connecting hole, and the deformation of the lamp housing can be well corrected during the welding process of the lamp.

[0008] In addition, the above-mentioned positioning structure for lamp welding according to the utility model may also have the following additional technical features:

[0009] Further, the lamp housing includes a shell and an outer frame strip extending outward from a circumferential edge of the shell, the shell is provided with a stepped lamp cavity, the shell includes a tail plate portion, a first step portion, a second step portion and a third step portion extending outward in sequence from one side of the tail plate portion, and a fourth step portion connected to the sides of the second step portion and the third step portion, the tail plate portion, the first step portion, the second step portion, the third step portion and the fourth step portion are connected to form the stepped lamp cavity, and in the direction of the opening end of the lamp cavity, the surfaces of the fourth step portion, the third step portion, the second step portion and the first step portion are lowered in sequence.

[0010] Furthermore, the positioning hole assembly includes a main positioning hole provided on the fourth step portion, a secondary positioning hole provided on the first step portion, and a connecting hole provided on the third step portion.

[0011] Furthermore, the main positioning hole and the connecting hole are both circular holes, the secondary positioning hole is a waist-shaped hole, and the long axis direction of the waist-shaped hole is aligned with the center of the main positioning hole, and the aperture of the main positioning hole is smaller than the aperture of the connecting hole.

[0012] Furthermore, on the side of the lamp housing facing away from the lamp shade, a first connecting tube is extended from the table top of the first step portion in a direction away from the lamp shade, and the first connecting tube is provided with the secondary positioning hole; a second connecting tube is extended from the table top of the third step portion in a direction away from the lamp shade, and the second connecting tube is provided with the connecting hole; a third connecting tube is extended from the table top of the fourth step portion in a direction close to the lamp shade, and the third connecting tube is provided with a main positioning hole.

[0013] Furthermore, a guide ring is provided at a connection between the third connecting tube and the table surface of the fourth step portion on a side of the lamp housing away from the lampshade.

[0014] Furthermore, a slot is provided on the outer frame bar, and a clamping block adapted to the slot is provided on the circumferential edge of the lampshade, and the lampshade and the lamp housing are connected by clamping the clamping block with the slot.

[0015] Furthermore, the base includes a first side portion and a second side portion extending horizontally outward from one side of the first side portion, the first positioning rod and the connecting rod are respectively arranged at two ends of a side of the first side portion close to the second side portion, and the second positioning rod is arranged on the second side portion.

[0016] Furthermore, the cross-sections of the first positioning rod and the connecting rod are both circular, the cross-section of the second positioning rod is a waist-shaped hole, and the diameter of the first positioning rod is smaller than the diameter of the connecting rod, and the long axis direction of the cross-section of the second positioning rod is aligned with the center of the cross-section of the first positioning rod.

[0017] Furthermore, the total height of the second positioning rod is smaller than the total height of the first positioning rod and the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural diagram of the positioning structure for lamp welding of the utility model;

[0019] Figure 2 It is a three-dimensional structural diagram of the positioning seat in the positioning structure for lamp welding of the utility model;

[0020] Figure 3 It is a three-dimensional structural diagram of the lamp housing in the positioning structure for lamp welding of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a lamp housing in a positioning structure for lamp welding of the utility model at a certain viewing angle;

[0022] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle;

[0023] Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle.

[0024] Among them, the above-mentioned drawings include the following figure marks: 1-lamp housing; 11-shell; 111-tail plate; 112-first step portion; 113-second step portion; 114-third step portion; 115-fourth step portion; 12-outer frame bar; 121-slot; 2-lamp cover; 21-block; 31-first connecting tube; 32-second connecting tube; 33-third connecting tube; 34-guide ring; 301-main positioning hole; 302-second positioning hole; 303-connecting hole; 4-base; 41-first side; 42-second side; 51-first positioning rod; 52-second positioning rod; 53-connecting rod.

[0025] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figures 1 to 6The utility model discloses a positioning structure for welding a lamp, which is used to fix the position of the lamp in a welding tool, wherein the lamp comprises a lamp housing 1 and a lamp shade 2 matched with the lamp housing 1, the positioning structure comprises a positioning hole assembly and a positioning seat matched with the positioning hole assembly, a positioning hole assembly is provided on the side of the lamp housing 1 away from the lamp shade 2, the positioning hole assembly comprises a main positioning hole 301, a secondary positioning hole 302 and at least one connecting hole 303, and the main positioning hole 301, the secondary positioning hole 302 and the connecting hole 303 are independently arranged; the positioning seat comprises a base 4 and a positioning rod assembly connected with the base 4, the positioning rod assembly comprises a first positioning rod 51 matched with the main positioning hole 301, a second positioning rod 52 matched with the secondary positioning hole 302 and at least one connecting rod 53, and the connecting rod 53 is matched with the connecting hole 303. In actual use, the lamp is accurately positioned and fixed on the base 4 by inserting the first positioning rod 51 into the main positioning hole 301 , the second positioning rod 52 into the secondary positioning hole 302 , and the connecting rod 53 into the connecting hole 303 .

[0030] As an example, the lamp housing 1 includes a shell 11 and an outer frame strip 12 extending outward from the circumferential edge of the shell 11. The lamp housing 1 is clamped with the lamp shade 2 through the outer frame strip 12. Specifically, a clamping groove 121 is provided on the outer frame strip 12, and a clamping block 21 adapted to the clamping groove 121 is provided on the circumferential edge of the lamp shade 2. In actual use, the clamping block 21 on the lamp shade 2 is correspondingly inserted into the clamping groove 121 on the lamp housing 1, so that the lamp shade 2 is initially fixed on the lamp housing 1, so as to prevent the lamp shade 2 from being displaced during the subsequent welding process to affect the overall welding quality of the lamp.

[0031] Furthermore, the shell body 11 is provided with a stepped lamp cavity. Specifically, the shell body 11 includes a tail plate portion 111, a first step portion 112, a second step portion 113 and a third step portion 114 extending outward in sequence from one side of the tail plate portion 111, and a fourth step portion 115 connected to the sides of the second step portion 113 and the third step portion 114. The tail plate portion 111, the first step portion 112, the second step portion 113, the third step portion 114 and the fourth step portion 115 are connected to form the stepped lamp cavity. It should be noted that in the direction of the opening end of the lamp cavity, the table surfaces of the fourth step portion 115, the third step portion 114, the second step portion 113 and the first step portion 112 are lowered in sequence.

[0032] In this embodiment, the positioning hole assembly includes a main positioning hole 301 provided on the fourth step portion 115, a secondary positioning hole 302 provided on the first step portion 112, and a connecting hole 303 provided on the third step portion 114. The main positioning hole 301 is a circular hole, so as to facilitate the preliminary assembly of the lamp on the positioning structure; the secondary positioning hole 302 is provided on the housing 11 at an oblique angle to the main positioning hole 301, and the secondary positioning hole 302 is a waist-shaped hole, the long axis direction of which is aligned with the center of the main positioning hole 301, so as to reduce the assembly tolerance between the lamp and the positioning structure in the long axis direction of the waist-shaped hole; the connecting hole 303 is a circular hole, and the aperture of the connecting hole 303 is larger than the aperture of the main positioning hole 301, so as to facilitate the installation of the connecting rod 53 in the connecting hole 303.

[0033] Furthermore, on the side of the lamp housing 1 away from the lampshade 2, a first connecting tube 31 is extended from the table top of the first step portion 112 in the direction away from the lampshade 2, and the first connecting tube 31 is provided with a secondary positioning hole 302; a second connecting tube 32 is extended from the table top of the third step portion 114 in the direction away from the lampshade 2, and the second connecting tube 32 is provided with a connecting hole 303; a third connecting tube 33 is extended from the table top of the fourth step portion 115 in the direction close to the lampshade 2, and the third connecting tube 33 is provided with a main positioning hole 301. In other words, the table top of the fourth step portion 115 is recessed in the direction of the lampshade 2 to form the third connecting tube 33. It should be noted that since the third connecting tube 33 is recessed inwardly, the use position of the third connecting tube 33 on the lamp housing 1 is not obvious. In order to improve the recognition of the third connecting tube 33 when in use, a guide ring 34 is provided at the connection between the third connecting tube 33 and the table top of the fourth step portion 115 on the side of the lamp housing 1 away from the lampshade 2.

[0034] As an example, the positioning rod assembly on the base 4 is arranged corresponding to the positioning hole assembly on the lamp housing 1, that is, the positioning rod assembly in the utility model includes three positioning rods, specifically: a first positioning rod 51 adapted to the main positioning hole 301, a second positioning rod 52 adapted to the secondary positioning hole 302, and a connecting rod 53 adapted to the connecting hole 303. Further, the base 4 includes a first side portion 41 and a second side portion 42 horizontally extending outward from one side of the first side portion 41, the first positioning rod 51 and the connecting rod 53 are respectively arranged at two ends of a side of the first side portion 41 close to the second side portion 42, and the second positioning rod 52 is arranged on the second side portion 42.

[0035] Furthermore, the cross-sections of the first positioning rod 51 and the connecting rod 53 are both circular, the cross-section of the second positioning rod 52 is a waist-shaped hole, and the diameter of the first positioning rod 51 is smaller than the diameter of the connecting rod 53. The long axis direction of the cross-section of the second positioning rod 52 is aligned with the center of the cross-section of the first positioning rod 51.

[0036] Furthermore, the total height of the second positioning rod 52 is smaller than the total height of the first positioning rod 51 and the connecting rod 53 .

[0037] In actual use, the first positioning rod 51, the second positioning rod 52, and the connecting rod 53 on the base 4 are aligned with the main positioning hole 301, the secondary positioning hole 302, and the connecting hole 303 on the lamp housing 1, respectively, so as to achieve the fixing of the entire lamp on the base 4, and avoid displacement of the welding position of the lamp during welding, thereby improving the welding accuracy of the lampshade 2 and the lamp housing 1, ensuring the welding quality of the entire lamp, and achieving the purpose of stable and reliable product sealing performance. It should be noted that the design principle of the positioning hole assembly in the utility model can be: Figure 4 and Figure 6 As shown, the depth direction of the main positioning hole 301 is the X direction, and the line connecting the center of the main positioning hole 301 and the center of the secondary positioning hole 302 is the Y direction. Correspondingly, a radial direction of the main positioning hole 301 is set as the Z direction. In the actual assembly process, the first positioning rod 51 is first aligned and inserted into the main positioning hole 301 on the lamp housing 1 to achieve preliminary positioning of the lamp on the base 4. At this time, the installation of the first positioning rod 51 in the main positioning hole 301 can limit the translation of the entire lamp in the Y direction and the Z direction. Next, align and insert the second positioning rod 52 into the secondary positioning hole 302 on the lamp housing 1 to further limit the rotation of the entire lamp in the X direction. At this time, through the cooperation of the first positioning rod 51 and the second positioning rod 52, the position of the entire lamp on the base 4 is already in a fixed state. Then, align and insert the connecting rod 53 into the connecting hole 303 to further improve the accuracy and stability of the position of the entire lamp on the base 4, so as to achieve accurate positioning of the parts of the lamp housing 1. The cooperation of the positioning hole assembly and the positioning rod assembly in the positioning seat can well correct the deformation of the lamp housing 1 during the welding process of the lamp.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A positioning structure for lamp welding, used to fix the position of the lamp in a welding tool, the lamp comprising a lamp housing and a lampshade adapted to the lamp housing, characterized in that: The positioning structure includes a positioning hole assembly and a positioning seat adapted to the positioning hole assembly, the positioning hole assembly is arranged on a side of the lamp housing away from the lampshade, the positioning hole assembly includes a main positioning hole, a secondary positioning hole and at least one connecting hole, and the main positioning hole, the secondary positioning hole and the connecting hole are arranged independently of each other; The positioning seat includes a base and a positioning rod assembly connected to the base, the positioning rod assembly includes a first positioning rod adapted to the main positioning hole, a second positioning rod adapted to the secondary positioning hole, and at least one connecting rod adapted to the connecting hole.

2. The lamp welding positioning structure according to claim 1, characterized in that: The lamp housing includes a shell and an outer frame strip extending outward from the circumferential edge of the shell, the shell is provided with a stepped lamp cavity, the shell includes a tail plate portion, a first step portion, a second step portion and a third step portion extending outward in sequence from one side of the tail plate portion, and a fourth step portion connected to the sides of the second step portion and the third step portion, the tail plate portion, the first step portion, the second step portion, the third step portion and the fourth step portion are connected to form the stepped lamp cavity, and in the direction of the opening end of the lamp cavity, the surfaces of the fourth step portion, the third step portion, the second step portion and the first step portion are lowered in sequence.

3. The lamp welding positioning structure according to claim 2, characterized in that: The positioning hole assembly includes a main positioning hole provided on the fourth step portion, a secondary positioning hole provided on the first step portion, and a connecting hole provided on the third step portion.

4. The lamp welding positioning structure according to claim 3, characterized in that: The main positioning hole and the connecting hole are both circular holes, the secondary positioning hole is a waist-shaped hole, and the long axis direction of the waist-shaped hole is aligned with the center of the main positioning hole, and the aperture of the main positioning hole is smaller than the aperture of the connecting hole.

5. The lamp welding positioning structure according to claim 2, characterized in that: On the side of the lamp housing facing away from the lamp shade, a first connecting tube is extended from the surface of the first step portion in a direction away from the lamp shade, and the first connecting tube is provided with the secondary positioning hole; a second connecting tube is extended from the surface of the third step portion in a direction away from the lamp shade, and the second connecting tube is provided with the connecting hole; a third connecting tube is extended from the surface of the fourth step portion in a direction close to the lamp shade, and the third connecting tube is provided with a main positioning hole.

6. The lamp welding positioning structure according to claim 5, characterized in that: A guide ring is provided at a connection between the third connecting tube and the table surface of the fourth step portion on a side of the lamp housing away from the lampshade.

7. The lamp welding positioning structure according to claim 2, characterized in that: The outer frame bar is provided with a slot, and the circumferential edge of the lampshade is provided with a clamping block adapted to the slot, and the lampshade and the lamp housing are connected by clamping the clamping block with the slot.

8. The lamp welding positioning structure according to claim 1, characterized in that: The base includes a first side portion and a second side portion horizontally extending outward from one side of the first side portion, the first positioning rod and the connecting rod are respectively arranged at two ends of a side of the first side portion close to the second side portion, and the second positioning rod is arranged on the second side portion.

9. The lamp welding positioning structure according to claim 8, characterized in that: The cross-sections of the first positioning rod and the connecting rod are both circular, the cross-section of the second positioning rod is a waist-shaped hole, and the diameter of the first positioning rod is smaller than the diameter of the connecting rod. The long axis direction of the cross-section of the second positioning rod is aligned with the center of the cross-section of the first positioning rod.

10. The lamp welding positioning structure according to claim 9, characterized in that: The total height of the second positioning rod is smaller than the total height of the first positioning rod and the connecting rod.

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