CN220761043U

CN220761043U - Elastic clamp spring convenient to assemble and disassemble

Info

Publication number: CN220761043U
Application number: CN202322393296.5U
Authority: CN
Inventors: 张海浪; 陈�光; 徐大鹏
Original assignee: Shika Mechanical Parts Tianjin Co ltd
Current assignee: Shika Mechanical Parts Tianjin Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-12
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses an elastic snap spring convenient to assemble and disassemble, which belongs to the technical field of elastic snap springs and comprises a cutter handle, wherein the upper surface of the cutter handle is extended to the inside and provided with a thread groove, the inside thread of the thread groove is connected with a snap spring body, the outer wall of the lower end of the snap spring body is penetrated and provided with a snap spring lock pin hole, and a snap spring lock pin main body is arranged in the snap spring lock pin hole. The clamping spring body is convenient to disassemble and assemble through the clamping spring body, the handle, the clamping spring lock pin hole, the positioning block, the thread groove, the clamping spring lock pin main body and the positioning groove, the operation is simple, the popularization is strong, and the problems that the clamping spring body is inconvenient to take out due to the fact that the clamping spring body is inserted into the handle to be installed, namely, the friction force between the clamping spring body and the handle is large, the clamping spring body is required to be driven to rotate by a special spanner, the joint of the clamping spring body and the handle is loose, the clamping spring body can be taken out, and the popularization is poor due to the fact that the special handle is required to be provided are solved.

Description

Elastic clamp spring convenient to assemble and disassemble

Technical Field

The utility model relates to the technical field of elastic snap springs, in particular to an elastic snap spring convenient to assemble and disassemble.

Background

The elastic clamp spring is also called an elastic collet chuck or collet chuck, and is widely applied to clamping of a cutter of a drilling machine or a milling machine.

Through searching, chinese patent with patent publication number of CN209520382U discloses an elastic clamp spring convenient to assemble and disassemble, and relates to the field of machining tool fixing devices. The elastic clamp spring convenient to assemble and disassemble comprises a clamp spring body, wherein at least two assembling and disassembling holes are formed in the clamp spring body, and the assembling and disassembling holes are inwards recessed from the outer end face of the clamp spring body. When the friction force between the clamp spring body and the knife handle is increased, a special spanner is adopted, a convex column on the spanner is inserted into the assembling and disassembling hole, and the clamp spring body can be rotated by rotating the spanner, so that the clamp spring body is loosened, and the elastic clamp spring is conveniently taken out. If there is one mounting hole, the rotary wrench cannot drive the snap spring body to rotate after the convex column is inserted, so that there are at least two mounting holes, and preferably an even number of mounting holes. In order to ensure that the stress of the clamp spring body is uniform during rotation, the loading holes and the unloading holes are arranged in a circumferential array by taking the axis of the clamp spring body as the center.

However, the design has the defect that the clamping spring body is inserted into the tool handle to be installed, namely, the friction force between the clamping spring body and the tool handle is large, so that the clamping spring body is inconvenient to take out, a special spanner is required to drive the clamping spring body to rotate, the joint of the clamping spring body and the tool handle is loose, the clamping spring body can be taken out, and a special handle is required to be provided, so that the popularization is poor.

Disclosure of Invention

The utility model aims to provide an elastic clamp spring convenient to assemble and disassemble so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elasticity jump ring convenient to loading and unloading, includes the handle of a knife, the upper surface of handle of a knife extends to inside the seting up thread groove, the inside threaded connection of thread groove has the jump ring body, the jump ring lock pinhole has been seted up in the lower extreme outer wall of the jump ring body, the internally mounted in jump ring lock pinhole has jump ring lockpin main part, loading and unloading hole has been seted up at the top of the jump ring body, loading and unloading hole's inside movable mounting has the cutter, the lower extreme inside of cutter is provided with the installation component.

As a further scheme of the utility model: the installation assembly comprises an installation cavity, the installation cavities are symmetrically arranged on the outer walls of the two sides of the cutter, springs are arranged in the installation cavity, and a movable plate is fixedly connected to one side, away from each other, of each spring.

As a further scheme of the utility model: the top and the bottom of movable plate have all seted up the spout, the inner wall sliding connection of spout has the slider, and slider and movable plate fixed connection.

As a further scheme of the utility model: limiting holes are formed in one sides, away from each other, of the two groups of moving plates, limiting blocks are movably arranged in the limiting holes, and the limiting blocks are fixedly connected with the moving plates.

As a further scheme of the utility model: the bottom of screw thread groove has seted up the constant head tank, the inside activity of constant head tank is provided with the locating piece, and the top of locating piece with the bottom fixed connection of jump ring body.

As a further scheme of the utility model: and an external thread matched with the thread groove is arranged on the outer wall of the lower end of the clamp spring body.

Compared with the prior art, the utility model has the beneficial effects that: this elasticity jump ring convenient to loading and unloading has following advantage:

(1) The clamping spring body, the handle, the clamping spring lock pin hole, the positioning block, the thread groove, the clamping spring lock pin main body and the positioning groove are arranged, so that the clamping spring body can be conveniently disassembled and assembled, the operation is simple, the popularization is strong, and the problems that the clamping spring body is inconvenient to take out due to the fact that the clamping spring body is inserted into the handle to be installed, namely the friction force between the clamping spring body and the handle is large, the clamping spring body is only required to be driven to rotate by a special spanner, the joint of the clamping spring body and the handle is loose, the clamping spring body can be taken out, and the popularization is poor due to the fact that a special handle is required to be provided are solved;

(2) Through the cutter, loading and unloading hole and the installation component that are provided with, can realize dismantling and changing the cutter of damage fast to be convenient for operating personnel use more, and then improve the device's convenience.

Drawings

FIG. 1 is a perspective partial schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal part of the front view of the present utility model;

fig. 3 is an enlarged partial structure diagram of the present utility model at a.

In the figure: 1. a cutter; 2. a loading and unloading hole; 3. a clamp spring body; 4. a knife handle; 5. snap spring lock pin holes; 6. a positioning block; 7. a thread groove; 8. a jump ring lock pin main body; 9. a mounting assembly; 901. a chute; 902. a mounting cavity; 903. a spring; 904. a slide block; 905. a limiting hole; 906. a limiting block; 907. a moving plate; 10. and a positioning groove.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides an elasticity jump ring convenient to loading and unloading, including handle of a knife 4, the upper surface of handle of a knife 4 extends to inside and has seted up thread groove 7, the inside threaded connection of thread groove 7 has jump ring body 3, jump ring lock pinhole 5 has been run through to jump ring body 3's lower extreme outer wall, jump ring lock pinhole 5's internally mounted has jump ring lockpin main part 8, constant head tank 10 has been seted up to thread groove 7's bottom, the inside activity of constant head tank 10 is provided with locating piece 6, and the top of locating piece 6 and the bottom fixed connection of jump ring body 3, jump ring body 3's lower extreme outer wall is provided with the external screw thread with thread groove 7 looks adaptation;

specifically, as shown in fig. 1 and 2, when in use, through the jump ring body 3, the handle 4, the jump ring lock pin hole 5, the locating block 6, the thread groove 7, the jump ring lock pin main body 8 and the locating slot 10, when the jump ring body 3 needs to be disassembled, the jump ring lock pin main body 8 is taken out from the jump ring lock pin hole 5, then the jump ring body 3 is rotated until the lower end of the jump ring body 3 is separated from the thread groove 7, thereby achieving the purpose of conveniently disassembling the jump ring body 3, the same can be installed, the operation is simple, the popularization is strong, the stability of the jump ring body 3 after installation can be improved through the mutual matching of the locating block 6 and the locating slot 10, the problem that the jump ring body 3 is installed after the handle 4 is completed, namely the friction force between the jump ring body 3 and the handle 4 is large, so that the jump ring body 3 is inconvenient to take out, and only the jump ring body 3 needs to be driven to rotate by using a special spanner, so that the joint of the jump ring body 3 and the handle 4 is loose, and the special handle is only required to be provided.

The top of the clamp spring body 3 is provided with a loading and unloading hole 2, a cutter 1 is movably installed in the loading and unloading hole 2, the lower end of the cutter 1 is internally provided with a mounting assembly 9, the mounting assembly 9 comprises a mounting cavity 902, the mounting cavity 902 is symmetrically arranged on the outer walls of the two sides of the cutter 1, springs 903 are arranged in the mounting cavity 902, one sides of the two groups of springs 903, which are far away from each other, are fixedly connected with a moving plate 907, the top and the bottom of the moving plate 907 are provided with a sliding groove 901, the inner wall of the sliding groove 901 is in sliding connection with a sliding block 904, the sliding block 904 is fixedly connected with the moving plate 907, one sides of the two groups of moving plates 907, which are far away from each other, are respectively provided with a limiting hole 905, the inside of the limiting hole 905 is movably provided with a limiting block 906, and the limiting block 906 is fixedly connected with the moving plate 907;

specifically, as shown in fig. 2 and 3, when in use, through the cutter 1, the mounting hole 2 and the mounting component 9, when the cutter 1 is damaged and needs to be dismounted, two groups of limiting blocks 906 are pressed, so that the two groups of limiting blocks 906 move along the direction away from the limiting hole 905 and close to the limiting hole 905, when the limiting block 906 moves to a proper position, the cutter 1 is pulled upwards until the lower end of the cutter 1 is separated from the mounting hole 2, so that the cutter 1 is dismounted, after the cutter 1 is replaced, the cutter 1 is placed right above the mounting hole 2, then the two groups of limiting blocks 906 are pressed again, when the limiting block 906 moves to a proper position, the cutter 1 is moved downwards to drive the limiting block 906 to move, and when the limiting block 906 moves to the opposite side of the limiting hole 905, the spring 903 does not bear external force to drive the limiting block 906 to be inserted into the limiting hole 905, so that the mounting of the cutter 1 is completed.

Working principle: in this application, when dismantling the jump ring body 3, take out jump ring lockpin main part 8 from jump ring lockpin hole 5, rotatory jump ring body 3 then, until the lower extreme of jump ring body 3 breaks away from in thread groove 7, thereby reach the purpose of being convenient for dismantle jump ring body 3, the same reason can install, and easy operation, and is strong in popularization, secondly, when cutter 1 damages needs to dismantle, press two sets of limit piece 906, make two sets of limit piece 906 remove along the direction of keeping away from spacing hole 905 and being close to spacing hole 905, when the stopper 906 moves to suitable position, upwards pull cutter 1, until the lower extreme of cutter 1 breaks away from in loading and unloading hole 2, thereby accomplish cutter 1's dismantlement, after cutter 1 is changed and place cutter 1 directly over loading and unloading hole 2, then press two sets of limit piece 906 again, when the stopper 906 moves to suitable position, and cutter 1 removes and drive the stopper 906 and remove, when the stopper 906 moves to the opposite side of spacing hole 905, the spring 903 can not drive the stopper and insert in spacing hole 905 when receiving the stopper to the appropriate position, thereby accomplish the installation of cutter 906 to cutter 1.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, meanwhile, the electrical components in the application are externally connected with a power supply and a control switch when in use, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, and the control mode and the circuit connection are not explained in detail any more, and the peripheral controller mentioned in the specification can play a control role for the electrical components mentioned in the specification and is conventional known equipment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides an elasticity jump ring convenient to loading and unloading, includes handle of a knife (4), its characterized in that: the utility model discloses a handle of a knife, including handle of a knife (4), screw thread groove (7) have been seted up to inside to the upper surface of handle of a knife (4), the inside threaded connection of screw thread groove (7) has jump ring body (3), jump ring lock pinhole (5) have been seted up in the lower extreme outer wall of jump ring body (3) run through, the internally mounted of jump ring lock pinhole (5) has jump ring lockpin main part (8), loading and unloading hole (2) have been seted up at the top of jump ring body (3), the inside movable mounting in loading and unloading hole (2) has cutter (1), the lower extreme inside of cutter (1) is provided with installation component (9).

2. The elastic snap spring convenient to assemble and disassemble according to claim 1, wherein: the mounting assembly (9) comprises a mounting cavity (902), the mounting cavity (902) is symmetrically arranged on the outer walls of two sides of the cutter (1), springs (903) are arranged in the mounting cavity (902), and two groups of springs (903) are fixedly connected with moving plates (907) on one sides, away from each other.

3. The elastic snap spring convenient to assemble and disassemble according to claim 2, wherein: the top and the bottom of movable plate (907) have all seted up spout (901), the inner wall sliding connection of spout (901) has slider (904), and slider (904) and movable plate (907) fixed connection.

4. An elastic snap spring convenient for loading and unloading according to claim 3, wherein: limiting holes (905) are formed in one sides, away from each other, of the two groups of moving plates (907), limiting blocks (906) are movably arranged in the limiting holes (905), and the limiting blocks (906) are fixedly connected with the moving plates (907).

5. The elastic snap spring convenient to assemble and disassemble according to claim 1, wherein: the bottom of screw groove (7) has seted up constant head tank (10), the inside activity of constant head tank (10) is provided with locating piece (6), and the top of locating piece (6) with the bottom fixed connection of jump ring body (3).

6. The elastic snap spring convenient to assemble and disassemble according to claim 1, wherein: the outer wall of the lower end of the clamp spring body (3) is provided with external threads matched with the thread grooves (7).