Press-fit device for upper cover lining of automobile electric box

Abstract

The utility model relates to the technical field of automobile electric box upper cover bushings, in particular to a pressing device for automobile electric box upper cover bushings, which comprises a base, an upper pressing block, a lower pressing block, an upper connecting block, a lower connecting block, an upper pressing handle, a lower pressing handle and two supporting plates. Then an insert is placed on a hole position of an upper cover lining, an upper pressing handle and a lower pressing handle are grasped by a single hand, the other end, opposite to a swing fulcrum, of the upper pressing handle is pressed downwards, the end, opposite to the swing fulcrum, of the upper pressing handle is warped upwards according to the lever principle, and therefore the other end, opposite to the swing fulcrum, of an upper connecting block is warped upwards according to the lever principle; when the ejector pin assembly is pressed, one end, opposite to the swing fulcrum, of the connecting block is pressed downwards to drive the upper pressing block to be pressed downwards, and the upper pressing block is pressed downwards to press the insert into the hole site of the upper cover bushing, so that no matter what shape the appearance is, press fit can be realized as long as the hole site of the upper cover bushing can be sleeved on the ejector pin assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile electrical box upper cover bushings, in particular to a pressing device for automobile electrical box upper cover bushings. Background Art

[0002] Inserts need to be installed in the holes of the bushing on the cover of the electric box of new energy vehicles. Currently, these inserts are generally installed using riveting tooling equipment. However, the operation of installing inserts using riveting tooling is complicated, the riveting tooling equipment is large in size, and is not convenient for storage and placement; and it has poor versatility, and each specification of the product requires a riveting tooling equipment. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a pressing device for an automobile electrical box upper cover bushing, which can be applicable to hole positions of automobile electrical box upper cover bushings with various non-uniform shapes, has strong versatility, small size, low manufacturing cost and simple operation.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A pressing device for a bushing on an upper cover of an automobile electrical box, comprising a base, an upper pressing block, a lower pressing block, an upper connecting block, a lower connecting block, an upper pressing handle, a lower pressing handle and two supporting plates, wherein the lower pressing block, the lower connecting plate and the two supporting plates are all mounted on one side surface of the base, the upper connecting block, the lower connecting block, the upper pressing handle and the lower pressing handle are all arranged between the two supporting plates, the upper connecting block is located directly above the lower connecting block and the upper connecting block abuts against the lower connecting block, the upper pressing handle is located directly above the lower pressing handle, one end of the lower pressing handle is fixedly connected to the two supporting plates respectively, the other end of the lower pressing handle extends to the outside of the supporting plates, and a first connecting shaft and a second connecting shaft are fixedly connected between the two supporting plates;

[0006] The upper connecting block is installed between the two supporting plates through the first connecting shaft, the upper connecting block is rotatably connected to the first connecting shaft and the upper connecting block uses the first connecting shaft as a swing fulcrum, one end of the upper connecting block relative to its swing fulcrum is connected to the upper pressing block, the upper pressing block is located directly above the lower pressing block, and a pin assembly for placing the upper cover bushing is provided on a side surface of the lower pressing block close to the upper pressing block, and when the upper pressing block is pressed down onto the insert placed on the hole of the upper cover bushing, the pin assembly retracts to press the insert into the hole of the upper cover bushing;

[0007] The upper pressing handle is installed between the two supporting plates through the second connecting shaft. The upper pressing handle is rotatably connected to the second connecting shaft and the upper pressing handle uses the second connecting shaft as a swing fulcrum. One end of the upper pressing handle relative to its swing fulcrum extends to the connection between the upper connecting block and the lower connecting block, and the other end of the upper pressing handle relative to its swing fulcrum extends to the outside of the supporting plate.

[0008] Furthermore, the ejector pin assembly includes an insert pin and a linear spring. One side surface of the lower pressure block close to the upper pressure block is recessed inward to form a receiving groove. The linear spring and the insert pin are arranged in the receiving groove. One end of the insert pin is connected to one end of the linear spring. The other end of the insert pin opposite to one end extends out of the receiving groove. The other end of the linear spring opposite to one end abuts against the bottom of the receiving groove.

[0009] Furthermore, the upper connecting block is rotatably connected to a rolling assembly at one end relative to its swing fulcrum, and the upper pressing block is provided with a sliding groove that cooperates with the rolling assembly.

[0010] Furthermore, the rolling assembly includes a pin and two pulleys, the pin passes through the upper connecting block and the opposite ends of the pin are respectively fixedly connected to the pulleys, and the sliding groove is an inverted T-shaped groove.

[0011] Furthermore, a strip-shaped protrusion is provided on one side surface of the lower connecting block, and a strip-shaped groove matching with the strip-shaped protrusion is formed on the upper pressing block along its moving direction, and the strip-shaped protrusion is located in the strip-shaped groove.

[0012] Furthermore, it also includes a first tension spring and a second tension spring, and a third connecting shaft is rotatably connected between the two support plates, one end of the first tension spring is connected to the upper pressure handle, the other end opposite to one end of the first tension spring is connected to the third connecting shaft, one end of the second tension spring is connected to the third connecting shaft, and the other end opposite to one end of the second tension spring is connected to the upper connecting block.

[0013] The beneficial effects of the utility model are:

[0014] The locking device of the present invention comprises a locking plate, a locking plate, a locking plate, a locking means, and a locking means. The locking plate is connected to the locking plate by a second locking mechanism, wherein the locking plate is secured on a pivotal position with the second locking mechanism being secured to the locking plate. The other end relative to its swing fulcrum extends to the outside of the supporting plate. In this way, during operation, it is only necessary to place the upper cover bushing on the ejector pin assembly of the lower pressure block and then place the insert on the hole of the upper cover bushing. The upper pressure handle and the lower pressure handle are grasped with one hand, and the upper pressure handle is pressed down at the other end relative to its swing fulcrum. According to the principle of lever, one end of the upper pressure handle relative to its swing fulcrum will tilt upward, thereby causing the other end of the upper connecting block relative to its swing fulcrum to also tilt upward. According to the principle of lever, one end of the connecting block relative to its swing fulcrum will press downward, driving the upper pressure block to press downward, and the upper pressure block presses the insert into the hole of the upper cover bushing. In this way, no matter what shape the outer shape is, as long as the hole of the upper cover bushing can be covered on the ejector pin assembly, pressing can be achieved. Therefore, the pressing device designed in this scheme can be applicable to the hole positions of the upper cover bushing of various automobile electrical boxes with non-uniform shapes, has strong versatility, small size, low manufacturing cost and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a pressing device for a bushing on an upper cover of an automobile electrical box according to the utility model;

[0016] Figure 2 It is a partial structural schematic diagram of the pressing device for the upper cover bushing of the automobile electrical box of the utility model;

[0017] Figure 3 It is a top view structural schematic diagram of the pressing device for the upper cover bushing of the automobile electrical box of the utility model;

[0018] Figure 4 The utility model is a pressing device for the upper cover bushing of the automobile electric box Figure 3 Sectional view at AA in the middle;

[0019] Figure 5 It is a structural schematic diagram of a pressing device for a bushing on an upper cover of an automobile electrical box according to the utility model;

[0020] Figure 6 It is a partial structural schematic diagram of the pressing device for the upper cover bushing of the automobile electrical box of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the upper pressing block of the pressing device for the upper cover bushing of the automobile electrical box of the utility model;

[0022] Description of labels:

[0023] 1. Base; 2. Upper pressure block; 21. Sliding groove; 22. Strip groove; 3. Lower pressure block; 31. Accommodating groove; 4. Upper connecting block; 41. Strip protrusion; 5. Lower connecting block; 6. Upper pressure handle; 7. Lower pressure handle; 8. Support plate; 9. First connecting shaft; 10. Second connecting shaft; 11. Ejector pin assembly; 111. Insert pin; 112. Linear spring; 12. Rolling assembly; 121. Pin; 122. Pulley; 13. First tension spring; 14. Second tension spring; 15. Third connecting shaft. DETAILED DESCRIPTION

[0024] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0025] Please refer to Figure 1 , the technical solution adopted by the utility model is:

[0026] A pressing device for a bushing on an upper cover of an automobile electrical box, comprising a base, an upper pressing block, a lower pressing block, an upper connecting block, a lower connecting block, an upper pressing handle, a lower pressing handle and two supporting plates, wherein the lower pressing block, the lower connecting plate and the two supporting plates are all mounted on one side surface of the base, the upper connecting block, the lower connecting block, the upper pressing handle and the lower pressing handle are all arranged between the two supporting plates, the upper connecting block is located directly above the lower connecting block and the upper connecting block abuts against the lower connecting block, the upper pressing handle is located directly above the lower pressing handle, one end of the lower pressing handle is fixedly connected to the two supporting plates respectively, the other end of the lower pressing handle extends to the outside of the supporting plates, and a first connecting shaft and a second connecting shaft are fixedly connected between the two supporting plates;

[0027] The upper connecting block is installed between the two supporting plates through the first connecting shaft, the upper connecting block is rotatably connected to the first connecting shaft and the upper connecting block uses the first connecting shaft as a swing fulcrum, one end of the upper connecting block relative to its swing fulcrum is connected to the upper pressing block, the upper pressing block is located directly above the lower pressing block, and a pin assembly for placing the upper cover bushing is provided on a side surface of the lower pressing block close to the upper pressing block, and when the upper pressing block is pressed down onto the insert placed on the hole of the upper cover bushing, the pin assembly retracts to press the insert into the hole of the upper cover bushing;

[0028] The upper pressing handle is installed between the two supporting plates through the second connecting shaft. The upper pressing handle is rotatably connected to the second connecting shaft and the upper pressing handle uses the second connecting shaft as a swing fulcrum. One end of the upper pressing handle relative to its swing fulcrum extends to the connection between the upper connecting block and the lower connecting block, and the other end of the upper pressing handle relative to its swing fulcrum extends to the outside of the supporting plate.

[0029] From the above description, it can be seen that the beneficial effects of the utility model are:

[0030] The locking device of the present invention comprises a locking plate, a locking plate, a locking plate, a locking means, and a locking means. The locking plate is connected to the locking plate by a second locking mechanism, wherein the locking plate is secured on a pivotal position with the second locking mechanism being secured to the locking plate. The other end relative to its swing fulcrum extends to the outside of the supporting plate. In this way, during operation, it is only necessary to place the upper cover bushing on the ejector pin assembly of the lower pressure block and then place the insert on the hole of the upper cover bushing. The upper pressure handle and the lower pressure handle are grasped with one hand, and the upper pressure handle is pressed down at the other end relative to its swing fulcrum. According to the principle of lever, one end of the upper pressure handle relative to its swing fulcrum will tilt upward, thereby causing the other end of the upper connecting block relative to its swing fulcrum to also tilt upward. According to the principle of lever, one end of the connecting block relative to its swing fulcrum will press downward, driving the upper pressure block to press downward, and the upper pressure block presses the insert into the hole of the upper cover bushing. In this way, no matter what shape the outer shape is, as long as the hole of the upper cover bushing can be covered on the ejector pin assembly, pressing can be achieved. Therefore, the pressing device designed in this scheme can be applicable to the hole positions of the upper cover bushing of various automobile electrical boxes with non-uniform shapes, has strong versatility, small size, low manufacturing cost and simple operation.

[0031] Furthermore, the ejector pin assembly includes an insert pin and a linear spring. One side surface of the lower pressure block close to the upper pressure block is recessed inward to form a receiving groove. The linear spring and the insert pin are arranged in the receiving groove. One end of the insert pin is connected to one end of the linear spring. The other end of the insert pin opposite to one end extends out of the receiving groove. The other end of the linear spring opposite to one end abuts against the bottom of the receiving groove.

[0032] From the above description, it can be seen that the extension and retraction of the insert pin is achieved by a linear spring. When the lower pressure block is pressed down onto the insert, the insert pin can continue to move downward under the action of the lower pressure block under the action of the linear spring, thereby pressing the insert into the hole of the upper cover bushing.

[0033] Furthermore, the upper connecting block is rotatably connected to a rolling assembly at one end relative to its swing fulcrum, and the upper pressing block is provided with a sliding groove that cooperates with the rolling assembly.

[0034] It can be known from the above description that the upper connecting block and the upper pressing block are hingedly connected by rotating a rolling assembly at one end of the upper connecting block relative to its swing fulcrum.

[0035] Furthermore, the rolling assembly includes a pin and two pulleys, the pin passes through the upper connecting block and the opposite ends of the pin are respectively fixedly connected to the pulleys, and the sliding groove is an inverted T-shaped groove.

[0036] Furthermore, a strip-shaped protrusion is provided on one side surface of the lower connecting block, and a strip-shaped groove matching with the strip-shaped protrusion is formed on the upper pressing block along its moving direction, and the strip-shaped protrusion is located in the strip-shaped groove.

[0037] From the above description, it can be seen that a strip protrusion is provided on one side surface of the lower connecting block, and a strip groove matching the strip protrusion is opened along its moving direction of the upper pressing block, and the strip protrusion is located in the strip groove, so that the upper pressing block can be stably pressed downward along the strip protrusion.

[0038] Furthermore, it also includes a first tension spring and a second tension spring, and a third connecting shaft is rotatably connected between the two support plates, one end of the first tension spring is connected to the upper pressure handle, the other end opposite to one end of the first tension spring is connected to the third connecting shaft, one end of the second tension spring is connected to the third connecting shaft, and the other end opposite to one end of the second tension spring is connected to the upper connecting block.

[0039] It can be seen from the above description that by providing the first tension spring and the second tension spring, after the upper pressure block presses the insert into the hole of the upper cover bushing, the upper pressure block and the upper pressure handle can be automatically pulled back to the open and closed state.

[0040] Please refer to Figures 1 to 7 As shown, the first embodiment of the utility model is:

[0041] Please refer to Figures 1 to 7, a pressing device for a bushing on an upper cover of an automobile electrical box, comprising a base 1, an upper pressing block 2, a lower pressing block 3, an upper connecting block 4, a lower connecting block 5, an upper pressing handle 6, a lower pressing handle 7 and two supporting plates 8, wherein the lower pressing block 3, the lower connecting plate and the two supporting plates 8 are all mounted on one side of the base 1, the upper connecting block 4, the lower connecting block 5, the upper pressing handle 6 and the lower pressing handle 7 are all arranged between the two supporting plates 8, the upper connecting block 4 is located directly above the lower connecting block 5 and the upper connecting block 4 abuts against the lower connecting block 5, the upper pressing handle 6 is located directly above the lower pressing handle 7, one end of the lower pressing handle 7 is fixedly connected to the two supporting plates 8 respectively, the other end of the lower pressing handle 7 extends to the outside of the supporting plate 8, and a first connecting shaft 9 and a second connecting shaft 10 are fixedly connected between the two supporting plates 8;

[0042] Please refer to Figure 2 and Figure 4 The upper connecting block 4 is installed between the two supporting plates 8 through the first connecting shaft 9. The upper connecting block 4 is rotatably connected to the first connecting shaft 9 and the upper connecting block 4 uses the first connecting shaft 9 as a swing fulcrum. One end of the upper connecting block 4 relative to its swing fulcrum is connected to the upper pressing block 2. The upper pressing block 2 is located directly above the lower pressing block 3. A side surface of the lower pressing block 3 close to the upper pressing block 2 is provided with an ejector assembly 11 for placing the upper cover bushing. When the upper pressing block 2 is pressed down onto the insert placed on the hole of the upper cover bushing, the ejector assembly 11 retracts to press the insert into the hole of the upper cover bushing.

[0043] Please refer to Figure 2 and Figure 4 The upper pressing handle 6 is installed between the two support plates 8 through the second connecting shaft 10. The upper pressing handle 6 is rotatably connected to the second connecting shaft 10 and the upper pressing handle 6 uses the second connecting shaft 10 as a swing fulcrum. One end of the upper pressing handle 6 relative to its swing fulcrum extends to the connection between the upper connecting block 4 and the lower connecting block 5, and the other end of the upper pressing handle 6 relative to its swing fulcrum extends to the outside of the support plate 8.

[0044] Please refer to Figure 4 The ejector assembly 11 includes an insert pin 111 and a linear spring 112. The side surface of the lower pressing block 3 close to the upper pressing block 2 is recessed inward to form a receiving groove 31. The linear spring 112 and the insert pin 111 are arranged in the receiving groove 31. One end of the insert pin 111 is connected to one end of the linear spring 112. The other end of the insert pin 111 opposite to one end extends out of the receiving groove 31. The other end of the linear spring 112 opposite to one end abuts against the bottom of the receiving groove 31.

[0045] Please refer to Figure 5 The upper connecting block 4 is rotatably connected to a rolling assembly 12 at one end relative to its swing fulcrum, and the upper pressing block 2 is provided with a sliding groove 21 that cooperates with the rolling assembly 12.

[0046] Please refer to Figure 6 and Figure 7 The rolling assembly 12 includes a pin 121 and two pulleys 122. The pin 121 passes through the upper connecting block 4 and the opposite ends of the pin 121 are fixedly connected to the pulleys 122 respectively. The sliding groove 21 is an inverted T-shaped groove.

[0047] Please refer to Figure 6 and Figure 7 A strip protrusion 41 is provided on one side surface of the lower connecting block 5 , and a strip groove 22 matching with the strip protrusion 41 is opened along the moving direction of the upper pressing block 2 , and the strip protrusion 41 is located in the strip groove 22 .

[0048] Please refer to Figures 1 to 6 , also includes a first tension spring 13 and a second tension spring 14, a third connecting shaft 15 is rotatably connected between the two support plates 8, one end of the first tension spring 13 is connected to the upper pressure handle 6, the other end opposite to one end of the first tension spring 13 is connected to the third connecting shaft 15, one end of the second tension spring 14 is connected to the third connecting shaft 15, and the other end opposite to one end of the second tension spring 14 is connected to the upper connecting block 4.

[0049] The working principle of the above-mentioned pressing device for the automobile electrical box upper cover bushing is as follows:

[0050] During operation, the upper cover bushing is placed on the inlay pin 111 of the lower pressing block 3, and then the insert is placed on the hole of the upper cover bushing. The upper pressing handle 6 and the lower pressing handle 7 are grasped with one hand, and the other end of the upper pressing handle 6 relative to its swing fulcrum is pressed down. According to the principle of lever, the end of the upper pressing handle 6 relative to its swing fulcrum is tilted upward, thereby tilting the other end of the upper connecting block 4 relative to its swing fulcrum upward. According to the principle of lever, the end of the connecting block relative to its swing fulcrum is pressed downward, so that the connecting block acts on its upper connecting block. The connected pulley 122 drives the upper pressing block 2 to press downward. Since a strip protrusion 41 is provided on one side surface of the lower connecting block 5, the upper pressing block 2 is provided with a strip groove 22 matching the strip protrusion 41 along its moving direction. The strip protrusion 41 is located in the strip groove 22, so that the upper pressing block 2 can be pressed downward along the strip protrusion 41 stably. The upper pressing block 2 is pressed downward to press the insert into the hole of the upper cover bushing, and then the first tension spring 13 and the second tension spring 14 will pull the upper pressing block 2 and the upper pressing handle 6 back to the open and closed state.

[0051] The cam is connected with the second support plate by the second connecting rod, and the second connecting rod is connected with the second supporting plate by the second connecting rod. The other end of the upper pressing handle relative to its swing fulcrum extends to the outside of the supporting plate, so that during operation, it is only necessary to place the upper cover bushing on the ejector pin assembly of the lower pressing block and then place the insert on the hole of the upper cover bushing, grasp the upper pressing handle and the lower pressing handle with one hand, and press the other end of the upper pressing handle relative to its swing fulcrum downward. According to the principle of lever, one end of the upper pressing handle relative to its swing fulcrum will tilt upward, thereby tilting the other end of the upper connecting block relative to its swing fulcrum upward. According to the principle of lever, one end of the connecting block relative to its swing fulcrum will press downward, driving the upper pressing block to press downward, and the upper pressing block will press the insert into the hole of the upper cover bushing. In this way, no matter what shape the outer shape is, as long as the hole of the upper cover bushing can be covered on the ejector pin assembly, pressing can be achieved. Therefore, the pressing device designed in this scheme can be applicable to the hole positions of the upper cover bushing of various automobile electrical boxes with non-uniform shapes, has strong versatility, small size, low manufacturing cost and simple operation.

[0052] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A pressing device for a bushing on an upper cover of an automobile electrical box, characterized in that: The invention comprises a base, an upper pressing block, a lower pressing block, an upper connecting block, a lower connecting block, an upper pressing handle, a lower pressing handle and two supporting plates, wherein the lower pressing block, the lower connecting plate and the two supporting plates are all installed on one side surface of the base, the upper connecting block, the lower connecting block, the upper pressing handle and the lower pressing handle are all arranged between the two supporting plates, the upper connecting block is located directly above the lower connecting block and the upper connecting block abuts against the lower connecting block, the upper pressing handle is located directly above the lower pressing handle, one end of the lower pressing handle is fixedly connected to the two supporting plates respectively, the other end of the lower pressing handle extends to the outside of the supporting plates, and a first connecting shaft and a second connecting shaft are fixedly connected between the two supporting plates; The upper connecting block is installed between the two supporting plates through the first connecting shaft, the upper connecting block is rotatably connected to the first connecting shaft and the upper connecting block uses the first connecting shaft as a swing fulcrum, one end of the upper connecting block relative to its swing fulcrum is connected to the upper pressing block, the upper pressing block is located directly above the lower pressing block, and a pin assembly for placing the upper cover bushing is provided on a side surface of the lower pressing block close to the upper pressing block, and when the upper pressing block is pressed down onto the insert placed on the hole of the upper cover bushing, the pin assembly retracts to press the insert into the hole of the upper cover bushing; The upper pressing handle is installed between the two supporting plates through the second connecting shaft. The upper pressing handle is rotatably connected to the second connecting shaft and the upper pressing handle uses the second connecting shaft as a swing fulcrum. One end of the upper pressing handle relative to its swing fulcrum extends to the connection between the upper connecting block and the lower connecting block, and the other end of the upper pressing handle relative to its swing fulcrum extends to the outside of the supporting plate.

2. The pressing device for the upper cover bushing of the automobile electrical box according to claim 1 is characterized in that: The ejector pin assembly includes an insert pin and a linear spring. The side surface of the lower pressing block close to the upper pressing block is recessed inward to form a receiving groove. The linear spring and the insert pin are arranged in the receiving groove. One end of the insert pin is connected to one end of the linear spring. The other end of the insert pin opposite to the one end extends out of the receiving groove. The other end of the linear spring opposite to the one end abuts against the bottom of the receiving groove.

3. The pressing device for the upper cover bushing of the automobile electrical box according to claim 1 is characterized in that: The upper connecting block is rotatably connected with a rolling assembly at one end relative to its swing fulcrum, and the upper pressing block is provided with a sliding groove which cooperates with the rolling assembly.

4. The pressing device for the upper cover bushing of the automobile electrical box according to claim 3 is characterized in that: The rolling assembly comprises a pin and two pulleys, the pin passes through the upper connecting block and the opposite ends of the pin are respectively fixedly connected to the pulleys, and the sliding groove is an inverted T-shaped groove.

5. The pressing device for the upper cover bushing of the automobile electrical box according to claim 1, characterized in that: A strip protrusion is arranged on one side surface of the lower connecting block, and a strip groove matching with the strip protrusion is opened along the moving direction of the upper pressing block, and the strip protrusion is located in the strip groove.

6. The pressing device for the upper cover bushing of the automobile electrical box according to claim 1, characterized in that: It also includes a first tension spring and a second tension spring, a third connecting shaft is rotatably connected between the two support plates, one end of the first tension spring is connected to the upper pressure handle, the other end opposite to one end of the first tension spring is connected to the third connecting shaft, one end of the second tension spring is connected to the third connecting shaft, and the other end opposite to one end of the second tension spring is connected to the upper connecting block.

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