Protective assembly of leather fabric trepanning tool

Abstract

The utility model discloses a leather fabric trepanning tool's protection subassembly, including the handle, the left side center of handle is fixedly connected with the needle bar, the outside of needle bar is provided with the protection unit, the protection unit includes circular ring, screw, horizontal cylinder, gasket, slider, chute, pressure spring, square cylinder, square bar, bolt and conical ring, the circular ring is provided with the screw, horizontal cylinder, gasket, slider, chute, pressure spring, square cylinder, square bar, bolt and conical ring. The right side of the outer wall of the needle rod is sleeved with the circular ring, and the circular ring is in butt joint with the handle through a screw. According to the protection assembly of the leather fabric trepanning tool, through cooperation of the handle, the needle rod and the protection unit, the conical ring can conduct wrapping protection when the needle rod is not used, the sharp position of the left side end of the needle rod can be prevented from hurting the skin of a user, and meanwhile when the handle and the needle rod fall onto the ground in the using process, the needle rod can be prevented from being damaged. The conical ring and the needle rod on the inner side can be shielded and protected, so that the left end of the needle rod is not prone to bending or jerking, and proper use next time is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to leather fabric processing technical field, concretely is a kind of leather fabric opening tool's protection assembly. BACKGROUND

[0002] Leather is a kind of animal skin, is after tanning, nitrification or with other processing method and has the resistance of putrefaction function, and when weather is dry, relatively soft and pliable processed animal fur, leather has flexibility and breathable and so on Performance, widely used in machine wheel belt, leather shoes, leather suitcase, leather box etc., during leather fabric manual operation, often need to carry out opening operation to leather fabric, and the opening tool of leather fabric is various, the most common is leather fabric opening awl, some leather fabric opening awl on market lack protection workpiece, in the use process, the sharp needle rod end of awl can cause harm to user's skin, and when accidentally falling to the ground in use, after the needle rod end of awl and ground impact, the needle rod end of awl is easily bent and frustrated, affect next proper use. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of leather fabric opening tool's protection assembly to solve the problem that some leather fabric opening awl on market lack protection workpiece in the above background art, in the use process, the sharp needle rod end of awl can cause harm to user's skin, and when accidentally falling to the ground in use, after the needle rod end of awl and ground impact, the needle rod end of awl is easily bent and frustrated, affect next proper use problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of leather fabric opening tool's protection assembly, including handle, the left side center of the handle is fixedly connected with needle rod, the outside of needle rod is equipped with protection unit;

[0005] The protection unit includes ring, screw, horizontal cylinder, gasket, sliding block, sliding slot, compression spring, square cylinder, square rod, bolt and conical ring;

[0006] The ring is sleeved on the right side of the outer wall of needle rod, the ring is connected with handle by screw, the left surface of the ring is fixedly connected with horizontal cylinder, the inside left side of the horizontal cylinder is equipped with gasket, the outer wall of the gasket is fixedly connected with sliding block at both ends, the sliding block is slidably connected with horizontal cylinder by sliding slot, the right surface of the gasket is fixedly connected with compression spring, the other end of the compression spring is fixedly connected with the contact surface of ring, the left surface of the gasket is fixedly connected with square cylinder at both ends, the inside of the square cylinder is equipped with square rod, the outer wall of the square cylinder is screw-connected with bolt at front side, the part of the bolt penetrating through square cylinder is abutted with square rod, the left side end of the square rod is fixedly connected with conical ring.

[0007] Preferably, the outer wall of the square rod is transversely grooved on the front side.

[0008] Preferably, an auxiliary unit is provided on the left side of the outer wall of the cross cylinder;

[0009] The auxiliary unit includes a knob, a spring, a bend, and a locking block;

[0010] The knob is rotatably connected to the left end of the outer wall of the horizontal cylinder. A spring is fixed to the inner wall of the knob, and the inner wall of the spring is fixedly connected to the outer wall of the horizontal cylinder. Bent rods are fixed to both the upper and lower sides of the left surface of the knob. A locking block is attached to the left side of the bent rod, and the locking block is fixedly connected to the contact surface of the square cylinder.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the protective component of this leather fabric opening tool has the following advantages over traditional technology:

[0012] By coordinating the handle, needle bar, and protective unit, the needle bar is inserted through the leather fabric and then pulled out to complete the drilling operation. During this process, the pad slides inward into the cross tube, and the compression spring is compressed to facilitate the needle bar's smooth penetration of the leather fabric. After the needle bar is pulled out of the leather fabric, the compression spring quickly rebounds, causing the pad to slide to the left side of the cross tube. During this time, the conical ring also returns to its original position on the outer side of the left end of the needle bar. This conical ring can protect the needle bar when not in use, preventing the sharp end of the needle bar from injuring the user's skin. Additionally, if the handle and needle bar fall to the ground during use, the conical ring will shield the needle bar from bending or jerking on the left end, ensuring proper handling in the future. Attached Figure Description

[0013] The above and other features, advantages, and aspects of the embodiments of this disclosure will become more apparent from the accompanying drawings and the following detailed description. Throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the originals and elements are not necessarily drawn to scale.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 A partial sectional view of the front view;

[0016] Figure 3 for Figure 2 A schematic diagram of the connection structure of the needle bar, cross cylinder, and auxiliary unit.

[0017] In the figure: 1, handle, 2, needle bar, 3, protection unit, 301, round ring, 302, screw, 303, horizontal cylinder, 304, gasket, 305, sliding block, 306, sliding groove, 307, compression spring, 308, square cylinder, 309, square rod, 310, bolt, 311, conical ring, 4, auxiliary unit, 401, knob, 402, spring, 403, bent rod, 404, clamping block, 5, grooves. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-3The utility model provides a technical scheme: A kind of leather fabric trepanning tool's protection assembly, including handle 1, needle stem 2 is fixed to the left side center of handle 1, handle 1 and needle stem 2 can constitute the awl required by leather fabric trepanning, the outside of needle stem 2 is equipped with protection unit 3, protection unit 3 includes ring 301, screw 302, horizontal cylinder 303, gasket 304, sliding block 305, sliding groove 306, compression spring 307, square cylinder 308, square rod 309, bolt 310 and conical ring 311, ring 301 is sleeved on the outer wall right side of needle stem 2, ring 301 is opposite with handle 1 by screw 302, screw 302 is connected with handle 1 by penetrating ring 301 with screw thread, the left surface of ring 301 is fixed with horizontal cylinder 303, the inside left side of horizontal cylinder 303 is equipped with gasket 304, gasket 304 is gap matched with the inner wall of horizontal cylinder 303, the inner wall of gasket 304 is gap matched with the outer wall of needle stem 2, the outer wall of gasket 304 is fixed with sliding block 305 on both ends, sliding block 305 is connected by sliding groove 306 with horizontal cylinder 303 sliding clamping, sliding block 305 can be left and right sliding in the inside of sliding groove 306, but cannot move up and down front and back, can promote the stability when gasket 304 moves left and right, the right surface of gasket 304 is fixed with compression spring 307, the coefficient of compression spring 307 is 0.1-1N / CM, the other end of compression spring 307 is fixedly connected with the contact surface of ring 301, the left surface of gasket 304 is fixed with square cylinder 308 on both ends, square cylinder 308 is equipped with square rod 309 in the inside, the outer wall of square rod 309 is gap matched with the inner wall of square cylinder 308, the outer wall front side of square cylinder 308 is connected with bolt 310 with screw thread, bolt 310 is abutted with square rod 309 by penetrating a part of square cylinder 308, the left side end of square rod 309 is fixed with conical ring 311, conical ring 311 is made of transparent PVC material, the outer wall front side of square rod 309 is transversely processed with groove 5, groove 5 can enhance the outer wall of square rod 309.

[0020] The left side of the outer wall of horizontal cylinder 303 is equipped with auxiliary unit 4, auxiliary unit 4 includes knob 401, clockwork 402, bent rod 403 and clamping block 404, knob 401 is rotatably connected on the left side end of the outer wall of horizontal cylinder 303, knob 401 is rotatably connected with horizontal cylinder 303 by ball bearing, the inner wall of knob 401 is fixed with clockwork 402, the coefficient of clockwork 402 is 0.1-0.3N / CM, the inner wall of clockwork 402 is fixedly connected with the outer wall of horizontal cylinder 303, the left surface of knob 401 is fixed with bent rod 403 on both sides, the left side of bent rod 403 is attached with clamping block 404, clamping block 404 is fixedly connected with the contact surface of square cylinder 308.

[0021] The protection assembly of the leather fabric hole opening tool, in the process of use, the operator first holds the handle 1 to align the left end of the needle rod 2 with the hole opening of the leather fabric to be opened, forces the knob 401, relative rotation between the knob 401 and the handle 1 is generated, the spiral spring 402 is compressed during the period, the bent rod 403 is separated from the right surface of the clamping block 404, at this time, the needle rod 2 is partially penetrated into the leather fabric, and the leather fabric is pulled out to complete the hole opening operation of the leather fabric, during the process of inserting the needle rod 2 into the leather fabric, the left surface of the conical ring 311 is tightly abutted with the leather fabric, the gasket 304 slides to the inside of the horizontal cylinder 303, and the compression spring 307 is compressed and deformed, so that the needle rod 2 can smoothly penetrate the leather fabric to complete the hole opening operation, and after the needle rod 2 is pulled out from the inside of the leather fabric, the compression spring 307 rapidly rebounds, the gasket 304 slides to the left side of the inside of the horizontal cylinder 303, during which the conical ring 311 is also reset to the outside of the left end of the needle rod 2, then the force on the knob 401 is released, the spiral spring 402 rebounds and rotates, and the bent rod 403 is attached to the right surface of the clamping block 404, so that the conical ring 311 can be wrapped and protected when the needle rod 1 is not used, and the sharp left end of the needle rod 2 cannot cause harm to the skin of the user, and when the handle 1 and the needle rod 2 fall to the ground during use, the conical ring 311 can shield and protect the inside needle rod 2, so that the left end of the needle rod 2 is not easy to bend and break, and the next proper use is facilitated.

[0022] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the specific meaning of the above terms in the present application can be understood according to the specific situation by those skilled in the art.

[0024] In addition, it needs to be noted that, for the convenience of description, only the parts related to the disclosure are shown in the drawings. The embodiments in the disclosure and the features in the embodiments can be combined with each other without conflict; it needs to be noted that the concepts of "first", "second" and the like mentioned in the disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units; it needs to be noted that the modification of "one" or "multiple" mentioned in the disclosure is illustrative and not restrictive, and those skilled in the art should understand that, unless otherwise clearly indicated in the context, it should be understood as "one or more"; the names of the messages or information exchanged between the devices in the embodiments of the disclosure are only used for illustrative purposes, and are not used to limit the scope of the messages or information.

[0025] In the utility model, some "elements", "components" and "materials" and the like are involved, which are only convenient for relevant technical personnel to understand and realize the functions, and are not limited and protected in terms of components.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective assembly for a leather fabric perforating tool comprising a handle (1), characterized in that: The left side of the handle (1) is fixedly connected with a needle rod (2), and the outer side of the needle rod (2) is provided with a protection unit (3); The protection unit (3) comprises a circular ring (301), a screw (302), a horizontal cylinder (303), a gasket (304), a sliding block (305), a sliding groove (306), a compression spring (307), a square cylinder (308), a square rod (309), a bolt (310) and a conical ring (311); The circular ring (301) is sleeved on the right outer wall of the needle rod (2), the circular ring (301) is connected with the handle (1) through the screw (302), the left surface of the circular ring (301) is fixedly connected with the horizontal cylinder (303), the inner left side of the horizontal cylinder (303) is provided with the gasket (304), the outer wall of the gasket (304) is fixedly connected with the sliding block (305) at the upper and lower ends, the sliding block (305) is slidably connected with the horizontal cylinder (303) through the sliding groove (306), the right surface of the gasket (304) is fixedly connected with the compression spring (307), the other end of the compression spring (307) is fixedly connected with the contact surface of the circular ring (301), the left surface of the gasket (304) is fixedly connected with the square cylinder (308) at the upper and lower ends, the square cylinder (308) is provided with the square rod (309) in the inside, the outer wall of the square cylinder (308) is threadedly connected with the bolt (310) at the front side, the bolt (310) penetrates through a part of the square cylinder (308) and abuts tightly against the square rod (309), and the left end of the square rod (309) is fixedly connected with the conical ring (311).

2. A protective assembly for a leather fabric perforating tool according to claim 1, characterized in that: Grooves (5) are transversely formed on the front side of the outer wall of the square rod (309).

3. A protective assembly for a leather fabric perforating tool according to claim 1, characterized in that: The outer left side of the horizontal cylinder (303) is provided with an auxiliary unit (4); The auxiliary unit (4) comprises a knob (401), a clock spring (402), a bent rod (403) and a clamping block (404); The knob (401) is rotationally connected to the left end of the outer wall of the horizontal cylinder (303), the inner wall of the knob (401) is fixedly connected with the clock spring (402), the inner wall of the clock spring (402) is fixedly connected with the outer wall of the horizontal cylinder (303), the left surface of the knob (401) is fixedly connected with the bent rod (403) at the upper and lower sides, the left side of the bent rod (403) is attached with the clamping block (404), and the clamping block (404) is fixedly connected with the contact surface of the square cylinder (308).

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