Plastic expansion nail mounting tool

Abstract

The utility model provides a plastic expansion nail mounting tool, which relates to the technical field of plastic expansion nails and comprises a cylindrical metal shell, a metal mounting rod, an elastic pressing reset structure and a plastic expansion nail positioning groove. According to the device, an installation tool special for the plastic expansion nail is designed, when the installation tool is used, the cylindrical metal shell is held by hand for positioning, the metal installation rod is pressed to extend out of the cylindrical metal shell to extrude and install the plastic expansion nail for installation, the hand is released after pressing, the metal installation rod is reset through the elastic pressing reset structure, the manual reset time is saved, and the operation rhythm is accelerated; the to-be-installed plastic expansion nail is automatically centered and positioned through the plastic expansion nail positioning groove, the manual righting time is saved, the operation rhythm is further accelerated, parts cannot be scratched in the operation process, the operation is convenient, the production rhythm is reduced, the production cost is reduced, assembly is simple, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic expansion nails, in particular to a plastic expansion nail installation tool. Background Art

[0002] Some car accessories are fixed with through-nail clips. The through-nail clips here are a kind of plastic expansion nails. The traditional plastic expansion nails are installed directly by hand, which is slow and painful for long-term operation. The operation with a screwdriver is slow and easy to scratch the parts.

[0003] There is an urgent need for a convenient-to-operate, fast-paced installation tool specifically designed for such plastic expansion nails. Utility Model Content

[0004] The utility model aims to provide a plastic expansion nail installation tool, which solves the technical problem that the prior art lacks a convenient-to-operate and fast-beat installation tool specifically used for the plastic expansion nail.

[0005] The utility model provides a plastic expansion nail installation tool, comprising:

[0006] Cylindrical metal casing;

[0007] A metal mounting rod is slidably inserted into the cylindrical metal housing;

[0008] An elastic pressing and resetting structure is installed between the metal mounting rod and the inner wall of the cylindrical metal shell;

[0009] The plastic expansion nail positioning groove is provided in the middle of the bottom surface of the metal mounting rod;

[0010] The plastic expansion nail to be installed is inserted and positioned in the plastic expansion nail positioning groove;

[0011] After the cylindrical metal shell is grasped and positioned, the metal installation rod is pressed to extend out of the cylindrical metal shell to squeeze and install the plastic expansion nail.

[0012] As a further optimization solution, in order to center the plastic expansion nail to be installed and prevent the plastic expansion nail from tilting, the plastic expansion nail positioning groove includes:

[0013] A blind hole is provided in the middle of the bottom surface of the metal mounting rod;

[0014] A conical groove is provided at the lower end of the blind hole, with the larger end of the conical groove facing downward;

[0015] The inner walls of the blind hole and the tapered groove are glued and fixed with a rubber layer.

[0016] As a further optimization solution, in order to enable the metal mounting rod to be reset with it through the elastic reset of the spring after the metal mounting rod is pressed and released, so as to facilitate the next use, the elastic pressing and resetting structure includes:

[0017] An annular mounting cavity is coaxially disposed at the lower end of the inner annular surface of the cylindrical metal shell;

[0018] A ring body is integrally formed in the middle of the metal mounting rod, and the ring body is slidably assembled in the annular mounting cavity;

[0019] The spring is sleeved on the outside of the metal mounting rod, and two ends of the spring are respectively against the bottom surface of the ring body and the bottom surface of the inner cavity of the annular mounting cavity.

[0020] As a further optimization solution, in order to enable the cylindrical metal shell to be split into two parts, the cylindrical metal shell is convenient for installation and removal of the metal mounting rod and the spring, and the cylindrical metal shell includes:

[0021] An upper metal shell, the lower end of which is screwed to a lower metal shell;

[0022] The upper metal shell and the lower metal shell divide the annular installation cavity into two sections;

[0023] A rubber ring is sandwiched between the upper metal shell and the lower metal shell.

[0024] As a further optimization solution, in order to facilitate the application of force by pressing the top surface of the semicircular cover with the palm when grasping the outer ring surface of the circular plate with the fingers, the upper end of the metal mounting rod is detachably fixedly equipped with a circular plate, and a semicircular cover is glued and fixed to the middle part of the upper surface of the circular plate.

[0025] As a further optimization solution, in order to prevent slipping when the circular plate is grasped and the metal mounting rod is pressed, anti-slip grooves are evenly formed on the outer ring surface of the circular plate.

[0026] As a further optimization solution, in order to facilitate the disassembly and replacement of the circular plate, a disassembly and installation structure is assembled between the upper end of the metal mounting rod and the circular plate, which includes:

[0027] A screw rod, the lower end of which is fixedly connected to the upper end of the metal mounting rod;

[0028] The screw rod passes through the circular plate, and a fixing nut is threadedly connected to the upper end of the screw rod, and the fixing nut abuts against the upper surface of the circular plate.

[0029] As a further optimization solution, in order to prevent the threaded connection of the fixing nut from loosening, a spring washer is sleeved on the screw rod, and the spring washer is clamped between the fixing nut and the upper surface of the circular plate.

[0030] As a further optimization solution, in order to prevent slipping when grasping the cylindrical metal shell for positioning, the upper end of the outer wall of the cylindrical metal shell is equipped with a gripping anti-slip structure, which includes:

[0031] An annular mounting groove is coaxially disposed on the upper end of the outer wall of the cylindrical metal shell;

[0032] A non-slip silicone sleeve is adhered and fixed in the annular installation groove.

[0033] As a further optimization solution, in order to improve the smoothness of sliding of the metal mounting rod in the cylindrical metal shell, the inner annular surface of the cylindrical metal shell is coated with a solid lubricating layer, and the outer wall of the metal mounting rod is slidably fitted with the solid lubricating layer.

[0034] The utility model provides a plastic expansion nail installation tool through improvement, which has the following improvements and advantages compared with the prior art:

[0035] The device is designed with an installation tool specifically for plastic expansion nails. When in use, the cylindrical metal shell is held to position it, and the metal installation rod is pressed to extend the cylindrical metal shell to squeeze and install the plastic expansion nail for installation. After pressing, release the hand to reset the metal installation rod through the elastic pressing and resetting structure, eliminating the manual resetting time and speeding up the operation rhythm; the plastic expansion nail to be installed is automatically centered through the plastic expansion nail positioning groove, eliminating the manual straightening time, further speeding up the operation rhythm, and the parts will not be scratched during the operation. The above operation is convenient, reduces the production rhythm, reduces the production cost, and realizes simple assembly and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 It is a schematic diagram of the structure of the utility model;

[0038] Figure 2 It is a partial structural schematic diagram of the utility model;

[0039] Figure 3 It is a schematic cross-sectional view of the structure of the utility model;

[0040] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0041] Figure 5It is a structural schematic diagram of the disassembly and installation structure of the utility model.

[0042] Description of reference numerals:

[0043] 1-cylindrical metal shell, 11-upper metal shell, 12-lower metal shell, 13-rubber ring, 2-elastic press reset structure, 21-annular installation cavity, 22-ring body, 23-spring, 3-plastic expansion nail positioning groove, 31-conical groove, 32-blind hole, 33-rubber layer, 4-round plate, 41-anti-slip pattern, 5-metal mounting rod, 6-disassembly installation structure, 61-screw, 62-fixing nut, 63-spring washer, 7-semicircular cover, 8-grip anti-slip structure, 81-annular installation groove, 82-anti-slip silicone sleeve, 9-solid lubricating layer. DETAILED DESCRIPTION

[0044] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and 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, and therefore should not be understood as a limitation on the present invention.

[0046] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0047] See also Figure 1-5 The utility model provides a technical solution: a plastic expansion nail installation tool, comprising:

[0048] The cylindrical metal shell 1 is designed to improve its mechanical strength, and the metal used is aluminum alloy or stainless steel;

[0049] The metal mounting rod 5 is slidably inserted into the cylindrical metal shell 1; the metal mounting rod 5 is made of the same material as the cylindrical metal shell 1;

[0050] An elastic pressing and resetting structure 2 is installed between the metal mounting rod 5 and the inner wall of the cylindrical metal shell 1. After the metal mounting rod 5 is pressed and the external force is removed, the elastic pressing and resetting structure 2 is used to reset the metal mounting rod 5.

[0051] The plastic expansion nail positioning groove 3 is provided in the middle of the bottom surface of the metal mounting rod 5;

[0052] The plastic expansion nail to be installed is inserted and positioned in the plastic expansion nail positioning groove 3. After the metal installation rod 5 is pressed, the plastic expansion nail positioning groove 3 squeezes the plastic expansion nail to be installed in the reserved hole at the required position. During the pressing process, the plastic expansion nail positioning groove 3 is used to center the plastic expansion nail to prevent it from tilting.

[0053] After grasping the cylindrical metal shell 1 to position it, press the metal installation rod 5 to extend out of the cylindrical metal shell 1 to squeeze and install the plastic expansion nail.

[0054] In some embodiments, in order to center the plastic expansion nail to be installed and prevent the plastic expansion nail from tilting, the plastic expansion nail positioning groove 3 includes:

[0055] A blind hole 32 is provided in the middle of the bottom surface of the metal mounting rod 5;

[0056] A tapered groove 31 is provided at the lower end of the blind hole 32, with the larger end of the tapered groove 31 facing downward;

[0057] A rubber layer 33 is glued and fixed to the inner walls of the blind hole 32 and the conical groove 31. The nail cap of the plastic expansion nail to be installed passes through the conical groove 31 and is guided into the blind hole 32. The design of the rubber layer 33 avoids wear on the plastic expansion nail to be installed, and can also wrap and position the nail cap of the plastic expansion nail inserted into the blind hole 32 to prevent it from tilting during the pressing process.

[0058] In some embodiments, in order to enable the metal mounting rod 5 to be reset with it by the elastic reset of the spring 23 after the metal mounting rod 5 is pressed and released, so as to facilitate the next use, the elastic pressing and resetting structure 2 includes:

[0059] An annular mounting cavity 21 is coaxially disposed at the lower end of the inner annular surface of the cylindrical metal housing 1;

[0060] A ring body 22 is integrally formed in the middle of the metal mounting rod 5, and the ring body 22 is slidably assembled in the annular mounting cavity 21;

[0061] The spring 23 is sleeved on the outside of the metal mounting rod 5, and the two ends of the spring 23 respectively abut against the bottom surface of the ring body 22 and the bottom surface of the inner cavity of the annular mounting cavity 21; after the metal mounting rod 5 is pressed, the ring body 22 on it squeezes the spring 23 to contract, and after the external force pressing the metal mounting rod 5 is removed, the spring 23 pushes the ring body 22 to drive the pressed metal mounting rod 5 to return to its original position.

[0062] In some embodiments, in order to enable the cylindrical metal shell 1 to be split into two parts, the cylindrical metal shell 1 includes:

[0063] An upper metal shell 11, a lower metal shell 12 is screwed to its lower end;

[0064] The upper metal shell 11 and the lower metal shell 12 divide the annular installation cavity 21 into two sections;

[0065] A rubber ring 13 is sandwiched between the upper metal shell 11 and the lower metal shell 12 to prevent contact and wear between the upper metal shell 11 and the lower metal shell 12.

[0066] During installation, first put the upper metal shell 11 on the metal mounting rod 5, then install the circular plate 4 on the upper end of the metal mounting rod 5, put the spring 23 on the metal mounting rod 5 from the lower end of the upper metal shell 11, and finally screw the lower metal shell 12 to the lower end of the upper metal shell 11, so that the two ends of the spring 23 respectively rest on the bottom surface of the ring body 22 and the bottom surface of the inner cavity of the annular mounting cavity 21.

[0067] In some embodiments, in order to facilitate the application of force by pressing the top surface of the semicircular cover 7 with the palm when grasping the outer ring surface of the circular plate 4 with the fingers, the upper end of the metal mounting rod 5 is detachably fixedly equipped with the circular plate 4, and the semicircular cover 7 is glued and fixed to the middle part of the upper surface of the circular plate 4.

[0068] In some embodiments, in order to prevent slipping when the circular plate 4 is grasped and the metal mounting rod 5 is pressed, anti-slip grooves 41 are evenly formed on the outer surface of the circular plate 4 .

[0069] In some embodiments, in order to facilitate the disassembly and replacement of the circular plate 4, a disassembly and installation structure 6 is installed between the upper end of the metal installation rod 5 and the circular plate 4, which includes:

[0070] The screw rod 61 has its lower end fixedly connected to the upper end of the metal mounting rod 5;

[0071] The screw rod 61 passes through the circular plate 4 , and a fixing nut 62 is screwed on the upper end of the screw rod 61 , and the fixing nut 62 abuts against the upper surface of the circular plate 4 ; when disassembling, the fixing nut 62 is screwed off to remove the circular plate 4 , and the reverse operation is performed when installing.

[0072] In some embodiments, in order to prevent the threaded connection of the fixing nut 62 from loosening, a spring washer 63 is sleeved on the screw rod 61 , and the spring washer 63 is clamped between the fixing nut 62 and the upper surface of the circular plate 4 .

[0073] In some embodiments, in order to prevent slipping when grasping the cylindrical metal shell 1 for positioning, the upper end of the outer wall of the cylindrical metal shell 1 is equipped with a gripping anti-slip structure 8, which includes:

[0074] An annular mounting groove 81 is coaxially disposed on the upper end of the outer wall of the cylindrical metal housing 1;

[0075] An anti-slip silicone sleeve 82 is adhered and fixed in the annular mounting groove 81 .

[0076] In some embodiments, in order to improve the smoothness of sliding of the metal mounting rod 5 in the cylindrical metal shell 1 , the inner annular surface of the cylindrical metal shell 1 is coated with a solid lubricating layer 9 , and the outer wall of the metal mounting rod 5 slides in contact with the solid lubricating layer 9 .

[0077] Working principle:

[0078] When in use, hold the cylindrical metal shell 1 to position it, press the metal installation rod 5 to extend the cylindrical metal shell 1 to squeeze and install the plastic expansion nail for installation, release the hand after pressing, and the metal installation rod 5 will be reset through the elastic pressing and resetting structure 2, thus eliminating the manual resetting time and speeding up the operation rhythm; the plastic expansion nail positioning groove 3 is used to automatically center the plastic expansion nail to be installed, thus eliminating the manual straightening time, further speeding up the operation rhythm, and the parts will not be scratched during the operation process.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A plastic expansion nail installation tool, characterized in that: include: A cylindrical metal casing (1); A metal mounting rod (5) which is slidably inserted into the cylindrical metal housing (1); An elastic pressing and resetting structure (2) is installed between the metal mounting rod (5) and the inner wall of the cylindrical metal shell (1); A plastic expansion nail positioning groove (3) is provided in the middle of the bottom surface of the metal mounting rod (5); The plastic expansion nail to be installed is inserted and positioned in the plastic expansion nail positioning groove (3); After the cylindrical metal shell (1) is grasped and positioned, the metal installation rod (5) is pressed to extend out of the cylindrical metal shell (1) to squeeze and install the plastic expansion nail.

2. A plastic expansion nail installation tool according to claim 1, characterized in that: The plastic expansion nail positioning groove (3) comprises: A blind hole (32) is formed in the middle of the bottom surface of the metal mounting rod (5); A conical groove (31) is formed at the lower end of the blind hole (32), with the larger end of the conical groove (31) facing downward; A rubber layer (33) is glued and fixed to the inner walls of the blind hole (32) and the tapered groove (31).

3. A plastic expansion nail installation tool according to claim 1, characterized in that: The elastic pressing and resetting structure (2) comprises: An annular mounting cavity (21) is coaxially disposed at the lower end of the inner annular surface of the cylindrical metal housing (1); A ring body (22) is integrally formed in the middle of the metal mounting rod (5), and the ring body (22) is slidably assembled in the annular mounting cavity (21); The spring (23) is sleeved on the outside of the metal mounting rod (5), and the two ends of the spring (23) respectively abut against the bottom surface of the ring body (22) and the bottom surface of the inner cavity of the annular mounting cavity (21).

4. A plastic expansion nail installation tool according to claim 3, characterized in that: The cylindrical metal shell (1) comprises: An upper metal shell (11) having a lower metal shell (12) screwed to its lower end; The upper metal shell (11) and the lower metal shell (12) divide the annular installation cavity (21) into two sections; A rubber ring (13) is sandwiched between the upper metal shell (11) and the lower metal shell (12).

5. The plastic expansion nail installation tool according to claim 1, characterized in that: The upper end of the metal mounting rod (5) is detachably fixedly mounted with a circular plate (4), and a semicircular cover (7) is glued and fixedly mounted on the middle of the upper surface of the circular plate (4).

6. A plastic expansion nail installation tool according to claim 5, characterized in that: The outer ring surface of the circular plate (4) is evenly provided with anti-slip grooves (41).

7. A plastic expansion nail installation tool according to claim 5, characterized in that: A disassembly and installation structure (6) is assembled between the upper end of the metal installation rod (5) and the circular plate (4), and comprises: A screw rod (61), the lower end of which is fixedly connected to the upper end of the metal mounting rod (5); The screw rod (61) passes through the circular plate (4); a fixing nut (62) is threadedly connected to the upper end of the screw rod (61), and the fixing nut (62) abuts against the upper surface of the circular plate (4).

8. A plastic expansion nail installation tool according to claim 7, characterized in that: A spring washer (63) is sleeved on the screw rod (61), and the spring washer (63) is clamped between the fixing nut (62) and the upper surface of the circular plate (4).

9. The plastic expansion nail installation tool according to claim 1, characterized in that: The upper end of the outer wall of the cylindrical metal shell (1) is equipped with a gripping anti-slip structure (8), which comprises: An annular mounting groove (81) is coaxially disposed on the upper end of the outer wall of the cylindrical metal housing (1); An anti-slip silicone sleeve (82) is glued and fixed in the annular mounting groove (81).

10. The plastic expansion nail installation tool according to claim 1, characterized in that: The inner annular surface of the cylindrical metal shell (1) is coated with a solid lubricating layer (9), and the outer wall of the metal mounting rod (5) is in sliding contact with the solid lubricating layer (9).

Images