Car lamp ventilation cap mounting and clamping device

Abstract

The utility model discloses a car lamp ventilation cap installing and clamping device which comprises an air cylinder (1), the clamping device (3) comprises an outer barrel (31) arranged on the end face of the air cylinder (1), an inner barrel (32) is arranged in the outer barrel (31), a fixing structure (4) for fixing a ventilation cap is arranged in the inner barrel (32), and a connecting piece (5) is arranged between the fixing structure (4) and a piston rod (2) of the air cylinder (1). The ventilation cap is fixed through the cooperation of the inner cylinder (32) and the fixing structure (4), and after the ventilation cap is installed on the automobile lamp, the piston rod (2) drives the inner cylinder (32) to move through the connecting piece (5), so that the fixing structure (4) does not apply pressure to the ventilation cap any more, and the phenomenon that when the piston rod (2) drives the fixing structure (4) to return, the ventilation cap is damaged due to the pressure and friction force applied to the ventilation cap by the fixing structure (4) is avoided. And the ventilation cap and the automobile lamp are not tightly installed.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle lamps, and specifically relates to a device for installing and clamping a ventilation cap of a vehicle lamp. Background Art

[0002] The breather cap is an important component of the vehicle lamp ventilation system. The breather cap is used to replace the gas inside the lamp to prevent the liquefaction of the air inside the lamp due to excessive moisture.

[0003] The patent number is 202310888016.X, and a public specification published on September 5, 2023 discloses a headlight air tightness detection device with an automatic installation of a breathable cap function. The headlight air tightness detection device includes a detection component, a clamping component, a leak detection component, an air source, and a base. The detection component is tightly connected to the base, the clamping component is tightly connected to the base, the leak detection component is tightly connected to the base, the air source is tightly connected to the base, the detection component is communicated with the air source, and the clamping component is communicated with the air source. The clamping component includes a first telescopic rod, a second telescopic rod, and a clamping head. The first telescopic rod is tightly connected to the base, the second telescopic rod is transmission-connected to the first telescopic rod, and the second telescopic rod is located at an end of the first telescopic rod away from the base. The clamping head is transmission-connected to the second telescopic rod, and the clamping head faces the workpiece.

[0004] Although the above-mentioned prior art solves the problem of automation of the installation of the breathable cap, the breathable cap is pushed to be installed on the car light by the cylinder during installation, and the cylinder clamps the breathable cap by friction. This will result in the air cap being driven back by the cylinder due to the friction between the clamping structure and the breathable cap when the cylinder retracts, causing the breathable cap to be loosely installed. Utility Model Content

[0005] The utility model aims to provide a method to prevent the vent cap from moving when retreating, thereby causing the vent cap to loosen.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a vehicle lamp breathable cap installation and clamping device, including a cylinder, the clamping device includes an outer cylinder arranged on the end face of the cylinder, an inner cylinder is arranged inside the outer cylinder, a fixing structure for fixing the breathable cap is arranged inside the inner cylinder, and a connecting piece is arranged between the fixing structure and the piston rod of the cylinder.

[0007] The fixing structure comprises a fixing recess arranged in the inner cylinder, a pressing plate is arranged on the fixing recess, and the air permeable cap is embedded in the fixing recess.

[0008] The fixing recess is embedded in the inner cylinder, and the pressing plate is in contact with the inner wall of the inner cylinder.

[0009] The connecting piece is installed between the fixing recess and the piston rod.

[0010] The connecting member comprises a mounting shaft arranged on the end surface of the fixed recess and a push rod arranged on the end of the piston rod, and a pressure spring is installed between the push rod and the mounting shaft.

[0011] A sleeve and an insertion shaft that cooperate with each other are arranged between the installation shaft and the push rod; the pressure spring is sleeved outside the sleeve and the insertion shaft, and the two ends of the pressure spring are respectively connected to the installation shaft and the push rod.

[0012] The sleeve is arranged on the installation shaft, and the insertion shaft is arranged on the push rod; or the sleeve is arranged on the push rod, and the insertion shaft is arranged on the installation shaft.

[0013] An embedding rod is arranged on the side of the push rod, and a sliding groove matched with the embedding rod is arranged in the inner cylinder.

[0014] The inner cylinder is provided with a mounting groove, the mounting groove is conical, and the pressing plate is located in the mounting groove; the pressing plate is a spring plate, and the side surface of the pressing plate is in contact with the inner wall of the inner cylinder.

[0015] The pressing plate is arranged in an annular shape on the fixing recess.

[0016] The technical effect of the utility model is as follows: after the breathable cap is embedded into the fixed structure, the inner cylinder is pushed into the outer cylinder, so that the breathable cap is fixed by the cooperation of the inner cylinder and the fixed structure, and then the piston rod of the cylinder is used to push the fixed structure to move outward, and the fixed structure drives the breathable cap to be installed on the car light. As the piston rod continues to move, the piston rod drives the inner cylinder to move through the connecting piece, so that the fixed structure no longer applies pressure to the breathable cap, thereby avoiding the situation that the breathable cap and the car light are not installed tightly due to the pressure and friction applied by the fixed structure to the breathable cap when the piston rod drives the fixed structure to retreat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, which show the following contents:

[0018] Figure 1 This is a structural schematic diagram of a vehicle lamp air cap installation and clamping device of the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the fixing structure of a vehicle lamp vent cap installation and clamping device.

[0020] The markings in the figure are: 1. Cylinder; 2. Piston rod; 3. Clamping device; 31. Outer cylinder; 32. Inner cylinder; 4. Fixing structure; 41. Fixing recess; 42. Pressing plate; 43. Mounting groove; 5. Connecting piece; 51. Mounting shaft; 52. Push rod; 53. Pressure spring; 54. Sleeve; 55. Insert shaft; 56. Embedded rod; 57. Slide groove. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the specific implementation methods of the utility model by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model and facilitating its implementation.

[0022] See also Figure 1-2 A device for installing and clamping a light vent cap includes a cylinder 1, a clamping device 3 includes an outer cylinder 31 arranged on the end surface of the cylinder 1, an inner cylinder 32 is arranged in the outer cylinder 31, a fixing structure 4 for fixing the vent cap is arranged in the inner cylinder 32, and a connecting piece 5 is arranged between the fixing structure 4 and the piston rod 2 of the cylinder 1.

[0023] The breathable cap is fixed by the cooperation of the fixed structure 4 and the inner cylinder 32, and the fixed structure 4 is driven to move by the cylinder 1 and the piston rod 2, so as to achieve the purpose of installing the breathable cap on the car light. At the same time, the connecting piece 5 is used. After the breathable cap is installed, the piston rod 2 is used to drive the movement of the connecting piece 5 to release the breathable cap from the fixed structure 4, so as to avoid the situation that the breathable cap is not separated from the fixed structure 4 during the process of the piston rod 2 driving the fixed structure 4 to retreat, resulting in the breathable cap being not installed tightly.

[0024] The fixing structure 4 includes a fixing recess 41 arranged in the inner cylinder 32, on which a pressing plate 42 is provided, and the breathable cap is embedded in the fixing recess 41; the breathable cap is fixed in the fixing recess 41 by the pressing plate 42, and the movement of the fixing recess 41 drives the movement of the breathable cap.

[0025] The fixing recess 41 is embedded in the inner tube 32, and the pressing plate 42 is in contact with the inner wall of the inner tube 32; the inner tube 32 can protect the internal structure of the inner tube 32, and secondly, the breathable cap can be fixed by the cooperation between the inner tube 32 and the pressing plate 42.

[0026] The connecting member 5 is installed between the fixing recess 41 and the piston rod 2 ; the piston rod 2 drives the fixing recess 41 to move through the connecting member 5 .

[0027] The connecting member 5 includes a mounting shaft 51 arranged on the end surface of the fixed recess 41 and a push rod 52 arranged on the end of the piston rod 2, and a pressure spring 53 is installed between the push rod 52 and the mounting shaft 51; the presence of the pressure spring 53 can maintain a certain distance between the push rod 52 and the mounting shaft 51, which is convenient for the operator to operate.

[0028] A sleeve 54 and an insertion shaft 55 that cooperate with each other are provided between the installation shaft 51 and the push rod 52; the pressure spring 53 is sleeved on the outside of the sleeve 54 and the insertion shaft 55, and the two ends of the pressure spring 53 are respectively connected to the installation shaft 51 and the push rod 52; the sleeve 54 and the insertion shaft 55 can limit the relative distance between the installation shaft 51 and the push rod 52 to a certain extent, avoiding the situation where the difference is too far or too close, and through cooperation with the pressure spring 53, a relative distance that is convenient for use can be maintained when in use or not in use.

[0029] The sleeve 54 is arranged on the installation shaft 51 , and the insertion shaft 55 is arranged on the push rod 52 ; or the sleeve 54 is arranged on the push rod 52 , and the insertion shaft 55 is arranged on the installation shaft 51 .

[0030] An embedding rod 56 is provided on the side of the push rod 52, and a slide groove 57 matching with the embedding rod 56 is provided in the inner tube 32; when the embedding rod 56 moves to the end of the slide groove 57, the movement of the embedding rod 56 can drive the movement of the inner tube 32.

[0031] An installation groove 43 is provided in the inner tube 32, and the installation groove 43 is conical. The pressing plate 42 is located in the installation groove 43; when the pressing plate 42 moves to the installation groove 43, the pressing plate 42 is no longer subjected to pressure, so that the breathable cap is no longer fixed in the fixing recess 41.

[0032] The pressing plate 42 is a spring plate, and the side surface of the pressing plate 42 is in contact with the inner wall of the inner tube 32 . The inner wall of the inner tube 32 is used to apply pressure to the pressing plate 42 to fix the breathable cap.

[0033] The pressing plate 42 is arranged in an annular shape on the fixing recess 41; on the one hand, it can better fix the breathable cap, and on the other hand, it can reduce the deviation of the position of the breathable cap.

[0034] The technical effect of the utility model is as follows: after the breathable cap is embedded into the fixing structure 4, the inner cylinder 32 is pushed into the outer cylinder 31, so that the breathable cap is fixed by the cooperation of the inner cylinder 32 and the fixing structure 4, and then the piston rod 2 of the cylinder 1 is used to push the fixing structure 4 to move outward, and the fixing structure 4 drives the breathable cap to be installed on the car light. As the piston rod 2 continues to move, the piston rod 2 drives the inner cylinder 32 to move through the connecting piece 5, so that the fixing structure 4 no longer applies pressure to the breathable cap, thereby avoiding the situation that the breathable cap and the car light are not installed tightly due to the pressure and friction applied by the fixing structure 4 when the piston rod 2 drives the fixing structure 4 to retreat.

[0035] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A device for mounting and clamping a ventilation cap of a vehicle lamp, comprising a cylinder (1), characterized in that: The clamping device (3) comprises an outer cylinder (31) arranged on the end surface of the cylinder (1), an inner cylinder (32) is arranged inside the outer cylinder (31), a fixing structure (4) for fixing the air permeable cap is arranged inside the inner cylinder (32), and a connecting piece (5) is arranged between the fixing structure (4) and the piston rod (2) of the cylinder (1).

2. The vehicle lamp vent cap mounting and clamping device according to claim 1, characterized in that: The fixing structure (4) comprises a fixing recess (41) arranged in the inner cylinder (32), a pressing plate (42) is provided on the fixing recess (41), and the air permeable cap is embedded in the fixing recess (41).

3. The device for installing and clamping a light vent cap according to claim 2, characterized in that: The fixing recess (41) is embedded in the inner cylinder (32), and the pressing plate (42) is in contact with the inner wall of the inner cylinder (32).

4. The vehicle lamp vent cap mounting and clamping device according to claim 2, characterized in that: The connecting member (5) is installed between the fixing recess (41) and the piston rod (2).

5. The device for installing and clamping the air cap of a vehicle lamp according to claim 4, characterized in that: The connecting member (5) comprises a mounting shaft (51) arranged on the end surface of the fixing recess (41) and a push rod (52) arranged at the end of the piston rod (2), and a pressure spring (53) is installed between the push rod (52) and the mounting shaft (51).

6. The device for installing and clamping the air cap of a vehicle lamp according to claim 5, characterized in that: A sleeve (54) and an insertion shaft (55) that cooperate with each other are provided between the installation shaft (51) and the push rod (52); the pressure spring (53) is sleeved on the outside of the sleeve (54) and the insertion shaft (55), and the two ends of the pressure spring (53) are respectively connected to the installation shaft (51) and the push rod (52).

7. The vehicle lamp vent cap mounting and clamping device according to claim 6, characterized in that: The sleeve (54) is arranged on the installation shaft (51), and the insertion shaft (55) is arranged on the push rod (52); or the sleeve (54) is arranged on the push rod (52), and the insertion shaft (55) is arranged on the installation shaft (51).

8. The device for installing and clamping the air cap of a vehicle lamp according to claim 5, characterized in that: An embedding rod (56) is provided on the side of the push rod (52), and a sliding groove (57) matching with the embedding rod (56) is provided in the inner cylinder (32).

9. A vehicle lamp vent cap mounting and clamping device according to claim 2 or 3, characterized in that: The inner cylinder (32) is provided with a mounting groove (43), the mounting groove (43) is conical, and the pressing plate (42) is located in the mounting groove (43); the pressing plate (42) is a spring plate, and the side surface of the pressing plate (42) is in contact with the inner wall of the inner cylinder (32).

10. The vehicle lamp vent cap mounting and clamping device according to claim 9, characterized in that: The pressing plate (42) is arranged in an annular shape on the fixing recess (41), and the fixing recess (41) is provided with a mounting groove for assembling the pressing plate (42).

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