Punching device
By designing a hole-opening device with a handheld part, a transmission part and an adjustment part, and using components such as an eccentric shaft and a return spring to achieve vertical movement of the hole-opening head, the problems of poor hole-opening quality and low efficiency in the existing technology are solved, and an efficient and precise hole-opening effect is achieved.
Patent Information
- Application Number
- CN202422737688.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The lack of specialized tools in the prior art results in poor quality, low precision, and low efficiency in manual drilling of flexible connections and gaskets.
A hole-punching device consisting of a handheld part, a transmission part and an adjustment part was designed. The vertical movement of the hole-punching head was achieved by using components such as an eccentric shaft, a linear bearing and a return spring. Combined with the precise positioning of the adjustment disk and the pad, the accuracy of the hole position and size was ensured.
It improves the hole opening efficiency, ensures the hole opening position and accuracy, is easy to operate, saves time and effort, and significantly improves the hole opening quality.
Smart Images

Figure CN223418423U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of simple mechanical tools, in particular to a hole-opening device. Background Art
[0002] Routine repair and maintenance in workshops often requires the installation of flexible connectors. Purchased flexible connectors require drilling holes and securing them with screws. Various non-standard gaskets also require drilling holes before securing. Currently, there are no dedicated tools for drilling holes, so manual drilling with scissors or drills is the only option. This lack of guaranteed hole location and accuracy results in poor quality, a time-consuming, labor-intensive process, and low efficiency. Utility Model Content
[0003] The purpose of the utility model is to provide a hole-making device to alleviate the problems of poor hole-making quality and low hole-making efficiency in manual hole-making.
[0004] In order to solve the above technical problems, the technical solution provided by the present invention is:
[0005] A hole-drilling device comprises: a hand-held portion, a transmission portion, and an adjustment portion, wherein the hand-held portion is rotatably connected to one end of the transmission portion, and the other end of the transmission portion is arranged opposite to the adjustment portion;
[0006] The transmission part includes a perforated head away from one end of the handheld part, and the perforated head can move toward or away from the adjustment part in a vertical direction under the action of the handheld part;
[0007] The adjusting portion includes a pad arranged opposite to the punching head, and the pad is used for placing an object to be punched.
[0008] Furthermore, the transmission part also includes an eccentric shaft, a linear bearing and a main shaft. The eccentric shaft is rotatably connected to the handheld part, the linear bearing is installed on the eccentric shaft, the main shaft is installed at the bottom of the linear bearing, and the main shaft is detachably connected to the opening head.
[0009] Furthermore, a return spring is sleeved on the main shaft along the axial direction.
[0010] Furthermore, the transmission part also includes a first joint bearing and a second joint bearing, the first joint bearing and the second joint bearing are respectively installed on the two ends of the eccentric shaft, and the first joint bearing and the second joint bearing are used to fix the eccentric shaft.
[0011] Furthermore, the hand-held portion includes a handle, and the handle is rotatably connected to the eccentric shaft.
[0012] Furthermore, the adjustment portion further includes an adjustment disk, the adjustment disk is provided with a mounting groove, the pad is provided in the mounting groove, and the pad protrudes from the adjustment disk.
[0013] Furthermore, the hole opening device also includes a main frame, and the transmission part and the adjustment part are both fixed to the main frame.
[0014] Furthermore, the main frame includes an upper frame, a vertical frame and a lower frame, the upper frame and the lower frame are spaced apart in the vertical direction, the upper frame and the lower frame are connected through the vertical frame, the transmission part is fixed to the upper frame, and the adjustment part is fixed to the lower frame.
[0015] Furthermore, the upper frame is provided with a receiving groove, a fixing block is provided in the receiving groove, the main shaft is passed through the fixing block, and the first joint bearing and the second joint bearing are both fixedly connected to the fixing block.
[0016] Furthermore, the lower frame is provided with a fixing plate, and the adjusting disk is threadedly connected to the fixing plate.
[0017] The utility model brings at least the following beneficial effects:
[0018] The utility model provides a hole-opening device, comprising: a hand-held part, a transmission part and an adjustment part, wherein the hand-held part is rotatably connected to one end of the transmission part, and the other end of the transmission part is arranged opposite to the adjustment part; the transmission part includes a hole-opening head away from one end of the hand-held part, and the hole-opening head can move toward or away from the adjustment part in a vertical direction under the action of the hand-held part; the adjustment part includes a pad arranged opposite to the hole-opening head, and the pad is used to place the object to be opened.
[0019] When using the hole-punching device, the hand-held part is rotated clockwise, and the power will be transmitted to the hole-punching head through the transmission part, so that the hole-punching head moves toward the pad in the vertical direction, and punches holes in the objects to be punched placed on the pad. After punching, the hand-held part is rotated counterclockwise or an elastic device such as a spring provided between the hand-held part and the transmission part is used to make the hole-punching head move away from the pad in the vertical direction to achieve reset, and the objects to be punched placed on the pad can be removed.
[0020] The hole-opening device has a simple structure, is easy to operate, saves time and effort, improves the hole-opening efficiency, and can effectively ensure the hole-opening position and hole-opening accuracy, thereby improving the hole-opening quality.
[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in related technologies, the following briefly introduces the drawings required for use in the specific implementation methods or related technical descriptions. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0023] Figure 1 Schematic diagram of the hole-opening device provided in the embodiment of the utility model Figure 1 ;
[0024] Figure 2 Schematic diagram of the hole-opening device provided in the embodiment of the utility model Figure 2 ;
[0025] Figure 3 Schematic diagram of the hole-opening device provided in the embodiment of the utility model Figure 3 .
[0026] icon:
[0027] 100-handle part; 110-handle; 200-transmission part; 210-opening head; 220-eccentric shaft; 230-linear bearing; 240-main shaft; 250-reset spring; 260-first joint bearing; 270-second joint bearing; 300-adjustment part; 310-pad; 320-adjustment disk; 400-main frame; 410-upper frame; 411-fixed block; 420-vertical frame; 430-lower frame; 431-fixed plate. DETAILED DESCRIPTION
[0028] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition or explanation in subsequent drawings.
[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, unless separately marked, should be understood as basic quantities of the International System of Units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation or integration.
[0031] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.
[0032] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0033] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.
[0034] Example 1
[0035] Currently, there are no special tools for drilling holes in flexible connectors or sealing gaskets. Holes can only be drilled manually using scissors or drills. The hole position and hole accuracy cannot be guaranteed, the hole quality is poor, and manual drilling is time-consuming, labor-intensive, and inefficient.
[0036] In view of this, an embodiment of the present invention provides a hole-opening device, including: a hand-held part 100, a transmission part 200 and an adjustment part 300, the hand-held part 100 is rotatably connected to one end of the transmission part 200, and the other end of the transmission part 200 is arranged opposite to the adjustment part 300; the transmission part 200 includes a hole-opening head 210 away from one end of the hand-held part 100, and the hole-opening head 210 can move in a vertical direction toward or away from the adjustment part 300 under the action of the hand-held part 100; the adjustment part 300 includes a pad 310 arranged opposite to the hole-opening head 210, and the pad 310 is used to place items to be opened.
[0037] When using the hole-punching device, the handheld part 100 is rotated clockwise, and the power will be transmitted to the hole-punching head 210 through the transmission part 200, so that the hole-punching head 210 moves toward the pad 310 in the vertical direction, and punches holes in the objects to be punched placed on the pad 310. After punching, the handheld part 100 is rotated counterclockwise or an elastic device such as a spring provided between the handheld part 100 and the transmission part 200 is used to make the hole-punching head 210 move away from the pad 310 in the vertical direction to achieve reset, and the objects to be punched placed on the pad 310 can be removed.
[0038] The hole-opening device has a simple structure, is easy to operate, saves time and effort, improves the hole-opening efficiency, and can effectively ensure the hole-opening position and hole-opening accuracy, thereby improving the hole-opening quality.
[0039] In an optional manner of this embodiment, the transmission part 200 also includes an eccentric shaft 220, a linear bearing 230 and a main shaft 240. The eccentric shaft 220 is rotatably connected to the handheld part 100, the linear bearing 230 is installed on the eccentric shaft 220, the main shaft 240 is installed at the bottom of the linear bearing 230, and the main shaft 240 is detachably connected to the opening head 210.
[0040] See Figure 1 The right end of the eccentric shaft 220 is rotatably connected to the handheld portion 100. A linear bearing 230 is mounted in the middle of the eccentric shaft 220. The main shaft 240 is mounted at the bottom of the linear bearing 230. The piercing head 210 is detachably connected to the bottom of the main shaft 240. When the handheld portion 100 is rotated, power is transmitted to the piercing head 210 through the eccentric shaft 220, linear bearing 230, and main shaft 240, ultimately converting it into vertical movement toward or away from the adjustment portion 300. When a hole of a different diameter is needed, the existing piercing head 210 can be removed from the main shaft 240 and replaced with a new one. This makes operation simple and has a wide range of applications.
[0041] In an optional manner of this embodiment, a return spring 250 is axially sleeved on the main shaft 240 .
[0042] Please continue to see Figure 1The return spring 250 is sleeved on the upper half of the main shaft 240. When the hand-held part 100 is rotated clockwise to make the opening head 210 move downward toward the pad 310, the return spring 250 always provides the main shaft 240 with a vertical upward elastic return force, so that the opening head 210 has an upward return movement tendency.
[0043] In an optional manner of this embodiment, the transmission part 200 also includes a first joint bearing 260 and a second joint bearing 270, which are respectively installed at the two ends of the eccentric shaft 220, and the first joint bearing 260 and the second joint bearing 270 are used to fix the eccentric shaft 220.
[0044] See Figure 1 The first joint bearing 260 and the second joint bearing 270 are respectively installed at the left end and the right end of the eccentric shaft 220. The first joint bearing 260 and the second joint bearing 270 can support and fix the eccentric shaft 220 to ensure the normal operation of the eccentric shaft 220.
[0045] In an optional manner of this embodiment, the handheld portion 100 includes a handle 110 , and the handle 110 is rotatably connected to the eccentric shaft 220 .
[0046] See Figure 3 The handle 110 has a gripping end with a larger diameter and a rotating end rotatably connected to the eccentric shaft 220. When using the hole-opening device, the rotating end can be rotated by holding the gripping end and rotating it, thereby realizing the movement of the hole-opening head 210 toward or away from the pad 310 in the vertical direction.
[0047] In an optional manner of this embodiment, the adjusting portion 300 further includes an adjusting disk 320 . The adjusting disk 320 is provided with a mounting groove. The backing plate 310 is provided in the mounting groove, and the backing plate 310 protrudes from the adjusting disk 320 .
[0048] See Figure 2 The diameter of the adjustment disk 320 is larger than that of the backing plate 310. The backing plate 310 is fixed in the mounting slot of the adjustment disk 320, and the height of the backing plate 310 is higher than that of the adjustment disk 320. The backing plate 310 is provided with four positioning holes, and the punching head 210 is located directly above the center of the four positioning holes. When the object to be punched is placed on the backing plate 310, the predetermined hole location can be precisely positioned in the center of the four positioning holes. Furthermore, since the diameter of the punching head 210 is fixed, the hole size can be precisely cut, improving the quality of the hole.
[0049] In an optional manner of this embodiment, the hole opening device further includes a main frame 400 , and the transmission part 200 and the adjustment part 300 are both fixed to the main frame 400 .
[0050] See Figure 2 The transmission part 200 and the adjusting part 300 are fixed inside the main frame 400, the main frame 400 can ensure stable and reliable operation of each part of the hole opening device, improve the overall service life, and make the hole opening device easy to move.
[0051] Specifically, the main frame 400 includes an upper frame 410, a vertical frame 420, and a lower frame 430. The upper frame 410 and the lower frame 430 are arranged in a vertical direction. The upper frame 410 and the lower frame 430 are connected by the vertical frame 420. The transmission part 200 is fixed to the upper frame 410, and the adjusting part 300 is fixed to the lower frame 430.
[0052] Please continue to see Figure 2 The upper frame 410, the vertical frame 420, and the lower frame 430 form a U-shaped frame structure, so that the hole opening head 210, the adjusting disc 320, and the backing plate 310 are exposed in the user's field of view during hole opening, facilitating observation of the hole opening situation. The upper frame 410 plays a supporting and fixing role for the transmission part 200, and the lower frame 430 plays a supporting and fixing role for the adjusting part 300.
[0053] In an optional mode of the embodiment, the upper frame 410 is provided with a receiving groove, and the fixed block 411 is arranged in the receiving groove. The main shaft 240 passes through the fixed block 411, and the first joint bearing 260 and the second joint bearing 270 are fixedly connected with the fixed block 411.
[0054] Please see Figure 2 The side of the upper frame 410 facing outward forms a receiving groove, and the fixed block 411 is fixed at a middle position in the receiving groove. The first joint bearing 260 and the second joint bearing 270 are fixed on the fixed block 411, and the main shaft 240 passes through the fixed block 411 in a vertical direction. A limiting flange is further arranged between the main shaft 240 and the fixed block 411.
[0055] In an optional mode of the embodiment, the lower frame 430 is provided with a fixed plate 431, and the adjusting disc 320 is threadedly connected with the fixed plate 431.
[0056] Please continue to see Figure 2 The fixed plate 431 is horizontally arranged on the lower frame 430, and the adjusting disc 320 is threadedly connected with the fixed plate 431. The height of the adjusting disc 320 can be adjusted by screwing, so as to adjust the backing plate 310 to an appropriate height to adapt to different thicknesses of the to-be-hole-opened article. When the thickness of the to-be-hole-opened article is large, the adjusting disc 320 can be lowered to an appropriate height; when the thickness of the to-be-hole-opened article is small, the adjusting disc 320 can also be raised to an appropriate height.
[0057] The use method of the hole opening device of the embodiment is as follows:
[0058] Mark the location of the hole in the gasket or flexible connector to be drilled. Adjust the adjustment plate 320 to the appropriate height and place it on the backing plate 310. Select a drilling head 210 with the desired diameter and install it below the spindle 240. Turn the handle 110 clockwise to move the drilling head 210 vertically downward, drilling a hole in the gasket or flexible connector placed on the backing plate 310. After drilling, turn the handle 110 counterclockwise to move the drilling head 210 vertically upward to reset it. Remove the gasket or flexible connector with the drilled hole from the backing plate 310.
[0059] The hole-opening device can easily and quickly realize precise hole-opening for sealing gaskets and flexible connections, effectively improving the hole-opening efficiency and quality.
[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A hole opening device, characterized in that: include: A handheld portion (100), a transmission portion (200) and an adjustment portion (300), wherein the handheld portion (100) is rotatably connected to one end of the transmission portion (200), and the other end of the transmission portion (200) is arranged opposite to the adjustment portion (300); The transmission part (200) comprises a perforated head (210) at one end away from the handheld part (100), and the perforated head (210) is capable of moving in a vertical direction toward or away from the adjustment part (300) under the action of the handheld part (100); The adjusting portion (300) comprises a pad (310) arranged opposite to the hole-punching head (210), and the pad (310) is used for placing an object to be punched.
2. The hole opening device according to claim 1, characterized in that: The transmission part (200) further comprises an eccentric shaft (220), a linear bearing (230) and a main shaft (240); the eccentric shaft (220) is rotatably connected to the handheld part (100); the linear bearing (230) is mounted on the eccentric shaft (220); the main shaft (240) is mounted on the bottom of the linear bearing (230); and the main shaft (240) is detachably connected to the opening head (210).
3. The hole-opening device according to claim 2, characterized in that: A return spring (250) is sleeved on the main shaft (240) along the axial direction.
4. The hole-opening device according to claim 2, characterized in that: The transmission part (200) further includes a first joint bearing (260) and a second joint bearing (270), wherein the first joint bearing (260) and the second joint bearing (270) are respectively mounted on the two ends of the eccentric shaft (220), and the first joint bearing (260) and the second joint bearing (270) are used to fix the eccentric shaft (220).
5. The hole-opening device according to claim 4, characterized in that: The handheld portion (100) includes a handle (110), and the handle (110) is rotatably connected to the eccentric shaft (220).
6. The hole-opening device according to claim 4, characterized in that: The adjustment portion (300) further comprises an adjustment disk (320), wherein the adjustment disk (320) is provided with a mounting groove, the pad (310) is provided in the mounting groove, and the pad (310) protrudes from the adjustment disk (320).
7. The hole-opening device according to claim 6, characterized in that: The hole-opening device further comprises a main frame (400), and the transmission part (200) and the adjustment part (300) are both fixed to the main frame (400).
8. The hole-opening device according to claim 7, characterized in that: The main frame (400) includes an upper frame (410), a vertical frame (420) and a lower frame (430). The upper frame (410) and the lower frame (430) are spaced apart in a vertical direction. The upper frame (410) and the lower frame (430) are connected via the vertical frame (420). The transmission part (200) is fixed to the upper frame (410), and the adjustment part (300) is fixed to the lower frame (430).
9. The hole-opening device according to claim 8, characterized in that: The upper frame (410) is provided with a receiving groove, a fixing block (411) is provided in the receiving groove, the main shaft (240) is passed through the fixing block (411), and the first joint bearing (260) and the second joint bearing (270) are both fixedly connected to the fixing block (411).
10. The hole-opening device according to claim 8, characterized in that: The lower frame (430) is provided with a fixing plate (431), and the adjustment disk (320) is threadedly connected to the fixing plate (431).