Press fitting tool for transmission plastic part of switch contact of gas insulated switchgear

Abstract

The utility model relates to the technical field of electric power equipment, and aims to solve the problems that the manual assembly process of a switch contact transmission plastic part is complex and easy to mistake, and the efficiency is low. The utility model discloses a press fitting tool for a transmission plastic part of a switch contact of a gas-insulated switchgear. The press fitting tool for the transmission plastic part of the switch contact of the gas-insulated switchgear comprises a base, a frame body, a limiting mechanism, a driving mechanism and an actuating mechanism, the frame body is fixed on the base, the driving mechanism is fixed on the frame body, the driving mechanism is connected with the action mechanism to drive the action mechanism to act, and the limiting mechanism is fixed on the base; and the limiting mechanism and the action mechanism are provided with spaces for placing to-be-assembled plastic parts. According to the utility model, the actuating mechanism and the limiting mechanism are pushed by the driving mechanism to carry out press fitting, so that a plurality of parts, which need to be assembled, of the plastic part are synchronously pressed, and the assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a press-fit tool for a transmission plastic part of a switch contact of an inflatable cabinet. Background Art

[0002] The inflatable ring main unit is a high-voltage switchgear used for power transmission and distribution. The core structure is the switch inside the gas box. The switch has various structural types, which can be mainly divided into knife switch type and direct-acting type. No matter which type, there is a transmission structure, that is, a plastic knife sleeve. The conventional plastic knife sleeve is connected and fixed by two pins at both ends of two connecting rods, one of which is connected to the pull rod of the plastic knife sleeve, and the other is connected to a square sleeve.

[0003] Traditionally, plastic knife sets are usually assembled manually, which requires pressing or hammering the pins at both ends of the two connecting rods of the plastic knife set to connect the two connecting rods and the pull rod and square sleeve on the plastic knife set. The manual assembly process is complicated and error-prone, and assembling a set of plastic knife sets requires pressing both ends of the two connecting rods separately, which is inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a press-fitting tool suitable for switch contact transmission plastic parts, so as to solve the problems that the manual assembly process is complicated and error-prone, and that assembling a set of plastic tool sleeves requires pressing the two ends of the two connecting rods separately, which is inefficient.

[0005] In order to solve the above problems, the utility model provides a press-fitting tool for the contact transmission plastic parts of an inflatable cabinet switch, comprising: a base, a frame, a limiting mechanism, a driving mechanism and an actuating mechanism; the frame is fixed on the base, the driving mechanism is fixed on the frame, the driving mechanism and the actuating mechanism are connected to drive the actuating mechanism to operate, and the limiting mechanism is fixed on the base; the limiting mechanism and the actuating mechanism have space for placing plastic parts to be assembled.

[0006] Through such an arrangement, the frame and the limiting mechanism are fixed on the base, the frame is used to fix the driving mechanism, the limiting mechanism limits the plastic parts, the plastic parts to be processed are placed between the limiting mechanism and the action mechanism, and the driving mechanism pushes the action mechanism and the limiting mechanism for press-fitting, thereby realizing synchronous press-fitting of multiple parts of the plastic parts that need to be assembled.

[0007] Preferably, the limiting mechanism includes a limiting seat connected to the base, a limiting block fixed on the limiting seat, a first limiting column passing through the limiting block and connected to the limiting seat, and a second limiting column fixed on the base.

[0008] Through such a setting, the limit seat connected to the base limits one end of the plastic part, the pull rod of the plastic part is laterally limited by the limit block and the first limit column, and the shaft sleeve of the plastic part is limited by the second limit column connected to the base, thereby achieving position fixation of various components of the plastic part during the press-fitting process to complete the press-fitting of the plastic part.

[0009] Preferably, the limiting seat is provided with a first placement groove, and the first placement groove is arc-shaped to place the arc-shaped connecting rod of the plastic part.

[0010] Through such an arrangement, an arc-shaped first placement groove is provided on the limit seat to match the connecting rod of the plastic part. During the press-fitting process, the arc-shaped connecting rod is completely placed in the first placement groove, further improving the stability of the plastic part during the press-fitting process.

[0011] Preferably, the limit block is provided with a second placement groove for placing the pull rod of the plastic part, and the first limit column is arranged in the second placement groove, passes through the fixing hole on the pull rod of the plastic part and the limit block, and is connected to the limit seat.

[0012] Through such an arrangement, a second placement groove is provided on the limit block to limit the pull rod of the plastic part, and a first limit column is provided on the limit block at the same time. The first limit column passes through the fixing hole on the pull rod of the plastic part. By placing the pull rod of the plastic part on the second placement groove, the first limit column further limits the pull rod of the plastic part, thereby fixing the position of the pull rod connected to the pin shaft of the plastic part during the pressing process, so that the pin shaft of the plastic part is not disturbed by the movement of the pull rod during the pressing process.

[0013] Preferably, the driving mechanism includes a cylinder, an air valve connected to the cylinder through an air pipe, an air valve bracket fixed on the base, and a pressure regulating valve connected to the air valve. The cylinder is fixed on the frame, and the output end of the cylinder is connected to the actuating mechanism.

[0014] Through such a setting, the pressure regulating valve filters the oil and moisture in the air source and can adjust the output air pressure value at the same time, so that the air pressure value is always within the required range of plastic parts pressing, thereby protecting the plastic parts; the air valve bracket is fixed on the base to facilitate the operation of the pressing tooling while saving space, and the air valve is used to control the on and off of the air source to realize the cylinder on the frame to push the action mechanism, thereby completing the pressing of the plastic parts.

[0015] Preferably, the actuating mechanism comprises a pressing plate fixed on the cylinder and two pressing blocks arranged on the pressing plate; the positions of the pressing blocks respectively correspond to the positions of two pins of the plastic parts to be assembled.

[0016] Through such a setting, the cylinder pushes the pressure plate for press-fitting, so that during the press-fitting process, the action mechanism maintains horizontal press-fitting, and the two pressure blocks correspond to the two pin positions of the plastic part. During the press-fitting process, the pressure blocks only contact the top of the pin, thereby realizing synchronous press-fitting between the two ends of the pin and the connecting rod.

[0017] Preferably, a first magnetic block is disposed in the limiting seat, a second magnetic block is disposed in the pressing block, and circular holes are disposed on the first magnetic block and the second magnetic block to fix the pin shaft and the stopper of the plastic part.

[0018] Through such an arrangement, the first magnetic block and the second magnetic block fix the pin shaft of the plastic part or the blocks at both ends of the pin shaft, so that during the press-fitting process, the pressing block is press-fitted along the axial direction of the pin shaft, thereby completing the assembly of the pin shaft, connecting rod and block of the plastic part.

[0019] Preferably, the frame includes a support rod and a mounting plate fixed to one end of the support rod, the support rod is connected to the base, and the cylinder is fixed on the mounting plate.

[0020] Through such an arrangement, the support rod is connected to the base, and the mounting plate is fixed at one end of the support rod, so that the cylinder is more stable during the pressing process. The support rod leaves space between the mounting plate and the base, which is convenient for assembling and taking out the plastic parts during the pressing process.

[0021] Preferably, the second limiting column is square in shape to limit the square sleeve of the plastic part to be assembled.

[0022] Through such an arrangement, the square second limiting column is adapted to the square sleeve of the plastic part, and the second limiting column is fixed on the base, so that the square sleeve can be fixed during the press-fitting process. At the same time, only one end of the square sleeve is fixed to facilitate the press-fitting operation.

[0023] Preferably, the base further includes a lifting connection plate disposed between the base and the limiting seat, and the lifting connection plate is connected to the frame.

[0024] Through such an arrangement, the lifting connecting plate adjusts the height of the limiting mechanism, and at the same time makes the second limiting column better fix the square sleeve of the plastic part; the lifting connecting plate is connected to the frame, thereby improving the stability of the frame and the tooling, so that the cylinder connected to the mounting plate on the frame is more stable during the pressing process.

[0025] In summary, the utility model provides a press-fit tooling for the contact transmission plastic parts of the switch of the inflatable cabinet, wherein the frame and the limit mechanism are fixed on the base, the frame is used to fix the driving mechanism, the limit mechanism limits the plastic parts, the plastic parts to be processed are placed between the limit mechanism and the action mechanism, and the driving mechanism is used to push the action mechanism and the limit mechanism for press-fitting, thereby realizing synchronous press-fitting of multiple parts of the plastic parts that need to be assembled. At the same time, the various components of the limit mechanism are arranged according to the structure of the plastic parts, so that the plastic parts are placed stably during the press-fitting process, and the operation in the assembly process is simplified and formed in one time, thereby improving the efficiency of the overall assembly of the plastic parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of a press-fit tooling for a contact transmission plastic part of an inflatable cabinet switch provided by an embodiment of the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of a base, a frame and a driving mechanism provided by an embodiment of the utility model;

[0028] Figure 3 It is a schematic diagram of the structure of a limiting mechanism and an action mechanism provided by an embodiment of the utility model;

[0029] Figure 4 It is a structural schematic diagram of a plastic part provided by an embodiment of the utility model.

[0030] Reference numerals:

[0031] 1. Base; 11. Lifting connecting plate; 2. Frame; 21. Support rod; 22. Mounting plate; 3. Limiting mechanism; 31. Limiting seat; 31a. First placement slot; 311. First magnetic block; 32. Limiting block; 32a. Second placement slot; 33. First limiting column; 34. Second limiting column; 4. Driving mechanism; 41. Cylinder; 42. Air pipe; 43. Air valve; 44. Air valve bracket; 45. Pressure regulating valve; 5. Action mechanism; 51. Pressing plate; 52. Pressing block; 521. Second magnetic block; 100. Plastic part; 101. Connecting rod; 102 Pull rod; 102a. Fixing hole; 103. Pin shaft; 104. Stopper; 105. Square sleeve. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0033] The accompanying drawings show schematic diagrams of layer structures according to embodiments of the present invention. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clarity. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0034] In the description of the present invention, it should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] The following drawings describe the technical solution of the utility model in detail. According to one embodiment of the utility model, a press-fit tool for the transmission plastic parts of the switch contact of the inflatable cabinet is provided. The overall structural schematic diagram of the press-fit tool for the transmission plastic parts of the switch contact of the inflatable cabinet is shown in FIG. Figure 1 As shown, the press-fitting tooling for the contact transmission plastic parts of the inflatable cabinet switch includes a base 1, a frame 2, a limit mechanism 3, a drive mechanism 4 and an action mechanism 5; wherein the frame 2 is fixed on the base 1, the drive mechanism 4 is fixed on the frame 2, the drive mechanism 4 and the action mechanism 5 are connected to drive the action mechanism 5 to move, and the limit mechanism 3 is fixed on the base 1; the limit mechanism 3 and the action mechanism 4 have space for placing plastic parts to be assembled. Figure 4 1 is a schematic diagram of the structure of the plastic part 100 provided in this embodiment, including a connecting rod 101, a pull rod 102, a pin 103, a stopper 104 and a square sleeve 105, wherein the pull rod 102 is provided with a fixing hole 102a. The frame 2 and the limiting mechanism 3 are fixed on the base 1, the frame 2 is used to fix the driving mechanism 4, the limiting mechanism 3 limits the plastic part, the plastic part 100 to be processed is placed between the limiting mechanism 3 and the action mechanism 5, and the driving mechanism 4 pushes the action mechanism 5 and the limiting mechanism 3 to be pressed together, thereby realizing the synchronous pressing of multiple parts of the plastic part 100 that need to be assembled.

[0036] Combination Figure 1 and Figure 2 In a preferred case, the base 1 includes a lifting connecting plate 11 arranged between the base 1 and the limit seat 3. Further, the frame 2 includes a support rod 21 and a mounting plate 22 fixed at one end of the support rod 21. The support rod 21 is connected to the base 1, and the lifting connecting plate 11 is connected to the support rod 21 of the frame 2. Further, the driving mechanism 4 includes a cylinder 41, an air valve 43 connected to the cylinder 41 through an air pipe 42, an air valve bracket 44 fixed on the base 1, and a pressure regulating valve 45 connected to the air valve 43. The cylinder 41 is fixed on the mounting plate 22 of the frame 2, and the output end of the cylinder 41 is connected to the action mechanism 5.

[0037] In the above, the lifting connecting plate 11 serves to adjust the height of the limiting mechanism 3, while making the installation space of the plastic part 100 more adaptable and the fixing effect better; the lifting connecting plate 11 is connected to the support rod 21 of the frame 2, thereby improving the stability of the frame 2 and the tooling, so that the cylinder 41 on the frame 2 connected to the mounting plate 22 is more stable during the pressing process. In a preferred case, a pressure regulating valve filtering triplet is used, and the pressure regulating valve 54 can filter the oil and moisture in the air source, and can adjust the output air pressure value at the same time, so that the air pressure value is always within the range of the press-fitting requirements of the plastic part 100, meeting the air pressure requirements of the cylinder 41 during the press-fitting process, and avoiding damage to the plastic part 100 due to excessive air pressure during the press-fitting process; further, the air valve bracket 44 is fixed on the base 1, which is convenient for the operation of the press-fitting tooling and saves space at the same time, and the air valve 43 is used to control the on and off of the air source, so that the cylinder 41 on the frame 2 pushes the action mechanism 5, thereby completing the press-fitting of the plastic part 100; further, the support rod 21 is connected to the base 1 and the lifting connecting plate 11, and the mounting plate 22 is fixed at one end of the support rod 21, so that the cylinder 41 is more stable during the press-fitting process, and the support rod 21 leaves space between the mounting plate 22 and the base 1, which is convenient for the assembly and removal of the plastic part 100 during the press-fitting process.

[0038] Combination Figures 1 to 4In a preferred case, the limiting mechanism 3 includes a limiting seat 31 connected to the base 1, a limiting block 32 fixed on the limiting seat 31, a first limiting column 33 passing through the limiting block 32 and the limiting seat 31, and a second limiting column 34 fixed on the base 1. Further, the second limiting column 34 is square in shape to fit the square sleeve 105 of the plastic part 100. Preferably, the limiting seat 31 is provided with a first placement groove 31a, and the shape of the first placement groove 31a is arc-shaped to place the arc-shaped connecting rod 101 of the plastic part 100. Further, the limiting block 32 is provided with a second placement groove 32a to place the pull rod 102 of the plastic part 100, and the first limiting column 33 is arranged in the second placement groove 32a. The first limiting column 33 passes through the pull rod 102 of the plastic part 100. The fixing hole 102a and the limit block 32 on the rod 102 are connected to the limit seat 31; preferably, the action mechanism 5 includes a pressure plate 51 fixed on the cylinder 41 and two pressure blocks 52 arranged on the pressure plate 51, and the positions of the pressure blocks 52 correspond to the positions of the two pins 103 of the plastic part 100 respectively. It should be noted that the positions of the pressure blocks 52 and the pins 103 are colinear with the push rod of the cylinder 41, and the two connecting rods 101 of the plastic part 100 are connected by two pins 103, one of the pins 103 is connected to the pull rod 102, and the other pin 103 is connected to the square sleeve 105. Through such an arrangement, during the press-fitting process, the force on other components of the plastic part 100 is reduced, thereby ensuring the press-fitting effect and reducing the risk of damaging the plastic part 100. In an optional case, a first magnetic block 311 is provided in the limit seat 31, a second magnetic block 521 is provided in the pressure block 52, and circular holes are provided on the first magnetic block 311 and the second magnetic block 521. It should be noted that a stopper 104 is provided at the connecting section of the pin shaft 103 of some plastic parts 100. When the pin shaft 103 and the stopper 104 are made of magnetically attractive metal materials, the first magnetic block 311 and the second magnetic block 521 can more easily fix the pin shaft 103 and the stopper 104 of the plastic part 100.

[0039] In the above, the limiting seat 31 connected to the base 1 limits one end of the plastic part 100, the limiting block 32 and the first limiting column 33 limit the pull rod 102 of the plastic part 100 in the transverse direction, and the second limiting column 34 connected to the base 1 limits the square sleeve 105 of the plastic part 100, so as to achieve the position fixation of each component of the plastic part 100 during the press-fitting process, so as to complete the press-fitting of the plastic part 100. Further, the square second limiting column 34 is adapted to the square sleeve 105 of the plastic part 100, and the second limiting column 34 is fixed on the base 1, so that the square sleeve 105 can be fixed during the press-fitting process, and only one end of the square sleeve 105 is fixed to facilitate the press-fitting operation. Preferably, an arc-shaped first placement groove 31a is provided on the limiting seat 31 to match the connecting rod 101 of the plastic part 100. During the press-fitting process, the arc-shaped connecting rod 101 is completely placed in the first placement groove 31a, further improving the stability of the plastic part 100 during the press-fitting process. Furthermore, a second placement groove 32a is provided on the limiting block 32 to limit the pull rod 102 of the plastic part 100, and a first limiting column 33 is provided on the limiting block 32. The first limiting column 33 passes through the fixing hole 102a on the pull rod 102 of the plastic part 100. By placing the pull rod 102 of the plastic part 100 on the second placement groove 32a, the first limiting column 33 further limits the pull rod 102 of the plastic part 100, thereby fixing the pull rod 102 connected to the pin 103 of the plastic part 100 in position during the press-fitting process, so that the pin 103 of the plastic part 100 is not disturbed by the possible movement of the pull rod 102 during the press-fitting process. Furthermore, the cylinder 41 pushes the pressing plate for press-fitting, so that during the press-fitting process, the action mechanism 5 maintains horizontal press-fitting, and the two pressing blocks 52 correspond to the positions of the two pins 103 of the plastic part 100, so that during the press-fitting process, the pressing block 52 only contacts the top of the pin 103, thereby realizing the synchronous press-fitting between the two ends of the pin 103 and the connecting rod 101; it should be noted that the connecting section of the pin 103 of some plastic parts 100 is provided with a stopper 104, and when the pin 103 and the stopper 104 are made of magnetically attractive metal materials, in a preferred case, the first magnetic block 311 in the limit seat 31 and the second magnetic block 521 in the pressing block 52 fix the pin 103 of the plastic part 100 or the stoppers 104 at both ends of the pin 103, so that during the press-fitting process, the pressing block 52 is press-fitted along the axial direction of the pin 103, completing the assembly of the pin 103, the connecting rod 101 and the stopper 104 of the plastic part 100.

[0040] In summary, the utility model provides a press-fitting tool for the contact transmission plastic parts of the switch of the inflatable cabinet, wherein the frame and the limiting mechanism are fixed on the base, the frame is used to fix the driving mechanism, the limiting mechanism limits the plastic parts, the plastic parts to be processed are placed between the limiting mechanism and the action mechanism, and the driving mechanism pushes the action mechanism and the limiting mechanism to be press-fitted, thereby realizing the synchronous press-fitting of multiple parts of the plastic parts that need to be assembled. At the same time, the limiting mechanism includes a limiting seat, a limiting block, a first limiting column and a second limiting column. By arranging the various components of the limiting mechanism according to the structure of the plastic parts, the plastic parts can be easily placed and stably during the press-fitting process, realizing the simplification of the operation and one-time molding during the assembly process, and improving the efficiency of the overall assembly of the plastic parts.

[0041] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A press-fitting tool for the transmission plastic parts of the switch contact of an inflatable cabinet, characterized in that: The press-fitting tooling for the contact transmission plastic parts of the inflatable cabinet switch comprises: a base, a frame, a limit mechanism, a driving mechanism and an action mechanism; The frame is fixed on the base, the driving mechanism is fixed on the frame, the driving mechanism is connected to the action mechanism to drive the action mechanism to move, and the limiting mechanism is fixed on the base; The limiting mechanism and the action mechanism have spaces for placing plastic parts to be assembled.

2. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 1 is characterized in that: The limiting mechanism includes a limiting seat connected to the base, a limiting block fixed on the limiting seat, a first limiting column passing through the limiting block and connected to the limiting seat, and a second limiting column fixed on the base.

3. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 2 is characterized in that: The limiting seat is provided with a first placement groove, and the first placement groove is in an arc shape for placing the arc-shaped connecting rod of the plastic part.

4. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 2, characterized in that: The limiting block is provided with a second placement groove for placing the pull rod of the plastic part. The first limiting column is arranged in the second placement groove, passes through the fixing hole on the pull rod of the plastic part and the limiting block, and is connected to the limiting seat.

5. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 2 is characterized in that: The driving mechanism includes a cylinder, an air valve connected to the cylinder through an air pipe, an air valve bracket fixed on the base, and a pressure regulating valve connected to the air valve. The cylinder is fixed on the frame, and the output end of the cylinder is connected to the action mechanism.

6. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 5, characterized in that: The action mechanism includes a pressing plate fixed on the cylinder and two pressing blocks arranged on the pressing plate; The positions of the pressing blocks correspond to the positions of two pins of the plastic parts to be assembled.

7. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 6, characterized in that: A first magnetic block is arranged in the limiting seat, a second magnetic block is arranged in the pressing block, and circular holes are arranged on the first magnetic block and the second magnetic block to fix the pin shaft and the stopper of the plastic part.

8. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 5, characterized in that: The frame body comprises a support rod and a mounting plate fixed at one end of the support rod, the support rod is connected to the base, and the cylinder is fixed on the mounting plate.

9. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 2, characterized in that: The second limiting column is in a square shape to limit the square sleeve of the plastic part to be assembled.

10. The press-fitting tool for the contact transmission plastic parts of the inflatable cabinet switch according to claim 2, characterized in that: The base also includes a lifting connection plate arranged between the base and the limiting seat, and the lifting connection plate is connected to the frame.

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