Limiting hinge for automobile door

Abstract

The utility model discloses an automobile door limiting hinge which comprises a hinge installation base, a limiting hinge installation assembly is arranged on one side of the hinge installation base, a door opening buffering assembly is arranged on one side of the limiting hinge installation assembly, and an installation reinforcing assembly is arranged in the hinge installation base. Through the limiting hinge installation assembly, the limiting stopper and the hinge are combined for use, and the problems that an existing limiting stopper is mainly used as a set of independent automobile parts to be assembled with an automobile door and an automobile body, an automobile door hinge is also independently used, the internal arrangement space of the automobile door is limited, and the limiting stopper occupies a certain space after arrangement; and during installation, the hinge and the limiting stopper need to be installed separately, and operation is not easy.

Description

Technical Field

[0001] The utility model relates to a position limiting hinge for an automobile door, in particular to a position limiting hinge for an automobile door. Background Art

[0002] With the continuous development of the automobile industry, automobile-related technologies are also constantly improving. The main form of connection between the car door and the car body is through the door hinge and the door limiter, which are set separately. The main function of the limiter is to control the opening angle of the door. On the one hand, it can control the maximum opening angle of the door to prevent the door from colliding with the car body when it is opened. On the other hand, the limiter can control the door to remain stable when it is opened at a certain angle.

[0003] However, the existing door hinges still have some disadvantages. At present, the main form of the limiter is to be assembled with the door and the body as a set of separate automobile parts, and the door hinge is also used separately. Due to the limited space inside the door, the limiter occupies a certain space after arrangement, and the hinge and the limiter need to be installed separately during installation, which is not easy to operate. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a vehicle door limit hinge to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A limit hinge for a car door comprises a hinge mounting seat, a limit hinge mounting assembly is arranged on one side of the hinge mounting seat, a door opening buffer assembly is arranged on one side of the limit hinge mounting assembly, and a mounting reinforcement assembly is arranged inside the hinge mounting seat;

[0007] In order to achieve the function of limit hinge installation, the limit hinge installation assembly includes a first mounting seat, the first mounting seat is fixedly connected to the hinge mounting seat, the first mounting seat is movably connected to the first transmission frame inside through a rotating shaft, the middle of the first transmission frame is movably connected to the second transmission frame through a rotating shaft, one end of the second transmission frame is movably connected to a connecting rod, one end of the connecting rod is movably connected to the second mounting seat, the second mounting seat is fixedly connected to the hinge mounting seat, the end of the second transmission frame away from the connecting rod is movably connected to the vehicle door mounting seat through a rotating shaft, one side of the vehicle door mounting seat is movably connected to a movable slide rod through a rotating shaft, a rotating rod is provided on the periphery of the movable slide rod, the rotating rod is movably connected to the first transmission frame, a sliding groove is provided in the middle of the rotating rod, the rotating rod slides with the movable slide rod through the sliding groove, and the periphery of the movable slide rod is connected to a limited position block.

[0008] Furthermore, hinge door mounting grooves are symmetrically arranged inside the door mounting seat.

[0009] Furthermore, a reinforcement plate is provided inside the first transmission frame, and the reinforcement plate is fixedly connected to the first transmission frame.

[0010] Furthermore, in order to achieve the door opening buffering effect, the door opening buffering assembly includes a buffer mounting block, the buffer mounting block is connected to one end of the movable slide rod, a buffer damper is connected between the buffer mounting block and the rotating rod, and a buffer spring is provided on the outer periphery of the buffer damper.

[0011] Furthermore, in order to achieve the purpose of installation reinforcement, the installation reinforcement component includes a reinforcement thread groove, which is symmetrically opened inside the hinge mounting seat, and a fixed thread rod is opened inside the reinforcement thread groove, and a fixing nut is threadedly connected to the outer periphery of the fixed thread rod.

[0012] Furthermore, the hinge mounting seat, the first mounting seat and the second mounting seat are connected with reinforcing bolts.

[0013] Furthermore, a hinge seat mounting groove is provided inside the hinge mounting seat.

[0014] The beneficial effects of the utility model are:

[0015] (1) The present invention improves upon the prior art. In actual use, the limiter and the hinge are used in combination through a limit hinge installation assembly, thereby solving the problem that the current main form of the limiter is to be assembled with the door and the body as a separate set of automotive parts, and the door hinge is also used separately. Due to the limited space inside the door, the limiter occupies a certain amount of space after arrangement, and the hinge and the limiter need to be installed separately during installation, which is not easy to operate.

[0016] (2) In actual use, the buffer mounting block is used so that when the car door is opened, the moving slide rod will drive the buffer mounting block to move, and the buffer mounting block will pull the buffer damper and the buffer spring to move, so that the moving slide rod can be buffered, thereby achieving the effect of door opening buffering. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the main structure of a vehicle door limit hinge according to an embodiment of the utility model;

[0019] Figure 2 It is a stereoscopic diagram of a vehicle door limiting hinge according to an embodiment of the utility model.

[0020] Figure 3 It is a structural schematic diagram of a limit hinge installation assembly in a limit hinge for a vehicle door according to an embodiment of the utility model;

[0021] Figure 4 The utility model is a schematic structural diagram of a door opening buffer component in a limit hinge of a vehicle door according to an embodiment of the utility model.

[0022] In the figure:

[0023] 1. Hinge mounting seat; 2. Limit hinge mounting assembly; 201. First mounting seat; 202. First transmission frame; 203. Second transmission frame; 204. Connecting rod; 205. Second mounting seat; 206. Door mounting seat; 207. Moving slide bar; 208. Rotating rod; 209. Sliding groove; 210. Limit block; 3. Door opening buffer assembly; 301. Buffer mounting block; 302. Buffer damper; 303. Buffer spring; 4. Installation reinforcement assembly; 401. Reinforcement threaded groove; 402. Fixed threaded rod; 403. Fixed nut; 5. Hinge door mounting groove; 6. Reinforcement plate; 7. Reinforcement bolt; 8. Hinge seat mounting groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] According to an embodiment of the utility model, a limit hinge for a vehicle door is provided, including a hinge mounting seat 1, a limit hinge mounting assembly 2 is provided on one side of the hinge mounting seat 1, a door opening buffer assembly 3 is provided on one side of the limit hinge mounting assembly 2, and an installation reinforcement assembly 4 is provided inside the hinge mounting seat 1.

[0026] like Figure 1-4As shown, according to the embodiment of the present invention, the limit hinge installation assembly 2 of the automobile door includes a first installation seat 201, the first installation seat 201 is fixedly connected to the hinge installation seat 1, the first installation seat 201 is movably connected to the first transmission frame 202 through a rotating shaft, the middle part of the first transmission frame 202 is movably connected to the second transmission frame 203 through a rotating shaft, one end of the second transmission frame 203 is movably connected to a connecting rod 204, one end of the connecting rod 204 is movably connected to a second installation seat 205, the second installation seat 205 is fixedly connected to the hinge installation seat 1, and the end of the second transmission frame 203 away from the connecting rod 204 is movably connected to the second transmission frame 203 through a rotating shaft. A door mounting seat 206 is movably connected to the rotating shaft, and a movable slide rod 207 is movably connected to one side of the door mounting seat 206 through the rotating shaft. A rotating rod 208 is arranged on the periphery of the movable slide rod 207. The rotating rod 208 is movably connected to the first transmission frame 202. A sliding groove 209 is provided in the middle of the rotating rod 208. The rotating rod 208 slides with the movable slide rod 207 through the sliding groove 209. The movable slide rod 207 is connected to a limiting block 210 on the periphery. Hinge door mounting grooves 5 are symmetrically provided inside the door mounting seat 206. A reinforcing plate 6 is provided inside the first transmission frame 202. The reinforcing plate 6 is fixedly connected to the first transmission frame 202.

[0027] By the above technical scheme, by setting the first mounting seat 201, the effect of facilitating the installation of the first mounting seat 201 is achieved. When the car door is opened, the door mounting seat 206 can drive the second transmission frame 203 and the movable slide bar 207 to move. At this time, the movable connection between the second transmission frame 203 and the first transmission frame 202 can be a fulcrum. When the second transmission frame 203 moves, it will also drive the connecting rod 204 to move along the second mounting seat 205. At the same time, the movable slide bar 207 will slide along the sliding groove 209 in the rotating rod 208, thereby achieving the effect of opening the door. After that, when the limit block 210 contacts the rotating rod 208, the door mounting seat 206 can stop moving, thereby achieving the effect of limiting after opening the door. By setting the hinge door mounting groove 5, the effect of facilitating the installation of the door mounting seat 206 through the hinge door mounting groove 5 and the bolts is achieved. By setting the reinforcement plate 6, the effect of facilitating the reinforcement of the first transmission frame 202 is achieved.

[0028] like Figure 1-4 As shown, according to the automobile door limit hinge of the embodiment of the utility model, the door opening buffer assembly 3 includes a buffer mounting block 301, the buffer mounting block 301 is connected to one end of the movable slide rod 207, a buffer damper 302 is connected between the buffer mounting block 301 and the rotating rod 208, and a buffer spring 303 is provided on the outer periphery of the buffer damper 302.

[0029] Through the above technical solution, through the buffer mounting block 301, when the car door is opened, the moving slide rod 207 will drive the buffer mounting block 301 to move, and the buffer mounting block 301 will pull the buffer damper 302 and the buffer spring 303 to move. At this time, the moving slide rod 207 can be buffered, thereby achieving the effect of door opening buffering.

[0030] like Figure 1-4 As shown, according to the automobile door limit hinge of the embodiment of the utility model, the installation reinforcement component 4 includes a reinforcement thread groove 401, and the reinforcement thread groove 401 is symmetrically opened inside the hinge mounting seat 1. A fixed threaded rod 402 is opened inside the reinforcement thread groove 401, and a fixing nut 403 is threadedly connected to the outer periphery of the fixed threaded rod 402. A reinforcement bolt 7 is connected behind the hinge mounting seat 1, the first mounting seat 201 and the second mounting seat 205, and a hinge seat mounting groove 8 is opened inside the hinge mounting seat 1.

[0031] Through the above technical scheme, by setting the reinforcing threaded groove 401, the purpose of facilitating the installation of the fixed threaded rod 402 is achieved. The fixed threaded rod 402 and the fixing nut 403 can reinforce the first mounting seat 201 and the second mounting seat 205 after installation. By setting the reinforcing bolt 7, the first mounting seat 201 and the second mounting seat 205 can be further installed and reinforced. By setting the hinge seat mounting groove 8, the purpose of facilitating the installation of the hinge mounting seat 1 by bolts is achieved.

[0032] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0033] By providing the first mounting seat 201, the first mounting seat 201 is easily installed. When the car door is opened, the door mounting seat 206 can drive the second transmission frame 203 and the movable slide bar 207 to move. At this time, the movable connection between the second transmission frame 203 and the first transmission frame 202 can be a fulcrum. When the second transmission frame 203 moves, it will also drive the connecting rod 204 to move along the second mounting seat 205. At the same time, the movable slide bar 207 will slide along the sliding groove 209 in the rotating rod 208, thereby achieving the effect of opening the door. After that, when the limit block 210 contacts the rotating rod 208, the door mounting seat 206 can stop moving, thereby achieving the effect of limiting the position after opening the door. By providing the hinge door mounting groove 5, it is convenient to install the door mounting seat 206 through the hinge door mounting groove 5 and the bolts. By providing the reinforcement plate 6, thereby achieving the effect of facilitating the reinforcement of the first transmission frame 202; through the buffer mounting block 301, when the car door is opened, the moving slide bar 207 will drive the buffer mounting block 301 to move, and the buffer mounting block 301 will pull the buffer damper 302 and the buffer spring 303 to move, then the moving slide bar 207 can be buffered, thereby achieving the effect of door opening buffering; by setting the reinforcing threaded groove 401, it is convenient to install the fixed threaded rod 402, the fixed threaded rod 402 and the fixing nut 403 can be used to reinforce the first mounting seat 201 and the second mounting seat 205 after installation, by setting the reinforcing bolt 7, the first mounting seat 201 and the second mounting seat 205 can be further installed and reinforced, and by setting the hinge seat mounting groove 8, it is convenient to install the hinge mounting seat 1 through bolts.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A car door limit hinge, characterized in that: It comprises a hinge mounting seat (1), a position-limiting hinge mounting assembly (2) is provided on one side of the hinge mounting seat (1), a door opening buffer assembly (3) is provided on one side of the position-limiting hinge mounting assembly (2), and a mounting reinforcement assembly (4) is provided inside the hinge mounting seat (1); The position-limiting hinge mounting assembly (2) comprises a first mounting seat (201), the first mounting seat (201) being fixedly connected to the hinge mounting seat (1), the first mounting seat (201) being internally movably connected to a first transmission frame (202) via a rotating shaft, the middle of the first transmission frame (202) being movably connected to a second transmission frame (203) via a rotating shaft, one end of the second transmission frame (203) being movably connected to a connecting rod (204), one end of the connecting rod (204) being movably connected to a second mounting seat (205), the second mounting seat (205) being fixedly connected to the hinge mounting seat (1), the second transmission frame (203) being internally movably connected to a first transmission frame (202) via a rotating shaft, One end of the frame (203) away from the connecting rod (204) is movably connected to a door mounting seat (206) through a rotating shaft, and one side of the door mounting seat (206) is movably connected to a movable slide rod (207) through a rotating shaft. A rotating rod (208) is arranged on the periphery of the movable slide rod (207). The rotating rod (208) is movably connected to the first transmission frame (202). A sliding groove (209) is provided in the middle of the rotating rod (208). The rotating rod (208) is slidably matched with the movable slide rod (207) through the sliding groove (209), and the movable slide rod (207) is connected to a limiting block (210) on the periphery.

2. The automobile door limit hinge according to claim 1, characterized in that: The door mounting seat (206) is symmetrically provided with hinge door mounting grooves (5).

3. The automobile door limit hinge according to claim 2, characterized in that: A reinforcing plate (6) is provided inside the first transmission frame (202), and the reinforcing plate (6) is fixedly connected to the first transmission frame (202).

4. The automobile door limit hinge according to claim 3, characterized in that: The door opening buffer assembly (3) comprises a buffer mounting block (301), wherein the buffer mounting block (301) is connected to one end of the movable slide rod (207), a buffer damper (302) is connected between the buffer mounting block (301) and the rotating rod (208), and a buffer spring (303) is provided on the outer periphery of the buffer damper (302).

5. The automobile door limit hinge according to claim 4, characterized in that: The installation reinforcement component (4) comprises a reinforcement thread groove (401), wherein the reinforcement thread groove (401) is symmetrically arranged inside the hinge mounting seat (1), a fixing thread rod (402) is arranged inside the reinforcement thread groove (401), and a fixing nut (403) is threadedly connected to the outer periphery of the fixing thread rod (402).

6. The automobile door limit hinge according to claim 5, characterized in that: The hinge mounting seat (1), the first mounting seat (201) and the second mounting seat (205) are connected with reinforcement bolts (7).

7. The automobile door limit hinge according to claim 6, characterized in that: A hinge seat installation groove (8) is provided inside the hinge installation seat (1).

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