CN109017078B - a push-button pin - Google Patents

Abstract

The invention discloses a button-type thumbtack, which comprises a button, a shell and a thumbtack; the button comprises an upper pressing plate, a first connecting column and a lower pressing plate, wherein the upper pressing plate, the first connecting column and the lower pressing plate form a U-shaped structure, the lower surface of the lower pressing plate is provided with a first mounting opening, and the lower pressing plate is a hollow body; the shell comprises an upper shell, a second connecting column and a lower shell, and the upper shell, the second connecting column and the lower shell form a U-shaped structure; the upper surface of the upper shell is provided with a second mounting port, and the upper surface of the lower shell is provided with a third mounting port; the second connecting column is a hollow body, and the first connecting column is positioned in the second connecting column; the periphery of the button is provided with a bulge, the inner periphery of the shell is provided with a clamping groove, and the bulge is arranged in the clamping groove; the inner side of the lower surface of the lower shell is provided with a spring seat, the spring seat is provided with a spring, and the other end of the spring is connected with the upper surface of the lower pressing plate through a first mounting opening. The invention can not damage the objects to be fixed, can fix the objects to be fixed with different thicknesses, and has simple structure, simple production process and low cost.

Description

a push-button pin

Technical field

The invention belongs to the field of fixing devices, in particular to a push-button thumbtack.

Background technique

Thumbtacks are commonly used simple fixing devices. They are easy to use and widely used. They can be seen everywhere in life and are often used to fix various paper documents. Various pin designs appear according to people's different needs. In view of thumbtacks that are easy to get stuck in the hands, the Chinese patent "An anti-prick and easy-fastening thumbtack" with patent number 201621256570.8 discloses an anti-prick and easy-fastening thumbtack, which can prevent the user's hands from getting stuck and increase the strength of fixing the thumbtacks. . In view of the difficulty in disassembling push pins, the Chinese patent "An Easy-to-Remove Push Pin" with patent number 201710608592.9 discloses an easy-to-disassemble push pin, which has the advantages of a flat push pin with a large contact area and the advantage of an American push pin that is easy to pull out. . Existing thumbtack designs are all aimed at the above two problems, and do not consider the damage of thumbtacks to paper or other fixed objects, and the thinking is limited to the fact that thumbtacks can only be used to fix paper documents.

Contents of the invention

The object of the present invention is to provide a push-button thumbtack that can clamp and fix objects without damaging the objects to be clamped.

The technical solution to achieve the object of the present invention is: a push-button push pin, including a button, a shell and a push pin;

The button includes an upper pressing plate, a first connecting column, and a lower pressing plate. The upper pressing plate is connected to the lower pressing plate through the first connecting column. The three of them form a U-shaped structure, that is, the button as a whole is a U-shaped structure; the lower pressing plate The lower surface is provided with a first installation port and the lower pressing plate is a hollow body;

The shell includes an upper shell, a second connecting column, and a lower shell. The upper shell is connected to the lower shell through the second connecting column. The three form a U-shaped structure, that is, the entire shell is a U-shaped structure; the upper surface of the upper shell A second installation port is provided, and a third installation port is provided on the upper surface of the lower shell; wherein the second connecting column is a hollow body, and the first connecting column is located within the second connecting column;

A protrusion is provided on the periphery of the button, and a slot is provided on the inner periphery of the casing. The protrusion is placed in the slot, and the slot limits the movement range of the button by limiting the movement range of the protrusion;

A spring seat is provided on the inner side of the lower surface of the lower shell, a spring is provided on the spring seat, and the other end of the spring is connected to the upper surface of the lower pressing plate through the first installation opening;

The push pin used to fix the push pin as a whole is fixed on the outer shell;

When the push-button thumbtack is in the initial state: the lower pressing plate fills the gap in the U-shaped structure of the shell; the upper pressing plate is pressed in the direction of spring expansion and contraction to compress the spring, and the upper pressing plate drives the first connecting column and the lower pressing plate together in the direction of spring compression. Movement, so there is an overlapping area between the U-shaped structure of the button and the U-shaped structure of the shell. Place the object to be clamped in this overlapping area and release the upper pressing plate. The spring will rebound and the lower pressing plate will rebound along the spring. directional movement and drives the upper pressing plate and the first connecting column to move together until the upper surface of the lower pressing plate and the lower surface of the upper shell clamp the object to be clamped, completing the clamping work.

Compared with the existing technology, the significant advantages of the present invention are: 1) the push pin of the present invention has a simple structure, simple production process and low cost; 2) the present invention can clamp the fixed object without damaging the fixed object. 3) A spring is used in the present invention. Due to the different compression degrees of the spring, the overlapping area between the upper surface of the pressing plate under the thumbtack and the lower surface of the upper shell can be large or small, and can be fixed with different thicknesses. things.

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Description of the drawings

Figure 1 is an overall schematic diagram of the initial state of the push-button thumbtack of the present invention and its three views. Figure (a) is the main view, Figure (b) is the left view, Figure (c) is the top view, and Figure (d) is the overall view of the pushpin. Isometric view.

Figure 2 is an overall schematic diagram of the push-button thumbtack button of the present invention in the pressed state and three views thereof. Figure (a) is the main view, Figure (b) is the left view, Figure (c) is the top view, and Figure (d) is the overall thumbtack. isometric view of.

Figure 3 is a cross-sectional view of the push-button push pin of the present invention in its initial state.

Figure 4 is a cross-sectional view of the push-button thumbtack according to the present invention in a pressed state.

Figure 5 is an overall schematic diagram of the push pin of the present invention and three views thereof. Figure (a) is a front view of the button, Figure (b) is a left view of the button, Figure (c) is a top view of the button, and Figure (d) ) is the isometric view of the button.

Figure 6 is an overall schematic diagram of the shell of the push-button thumbtack of the present invention and its three views. Figure (a) is a front view of the shell, Figure (b) is a left view of the shell, Figure (c) is a top view of the shell, and Figure (d) ) is an isometric view of the shell.

Figure 7 is a rendering rendering of the push-button push pin of the present invention.

Figure 8 is a schematic diagram of the use of the push-button push pin of the present invention. Figure (a) is a schematic diagram of the use of the button-type push pin without a fixed object to be clamped. Figure (b) is a schematic diagram of the use of the button-type push pin clamping a fixed object.

Detailed ways

With reference to Figures 1, 2, 3 and 4, a push-button thumbtack of the present invention includes a button 1, a shell 3 and a thumbtack body 7;

With reference to Figure 5, the button 1 includes an upper pressing plate 1-1, a first connecting column 1-2, and a lower pressing plate 1-3. The upper pressing plate 1-1 is connected to the lower pressing plate 1 through the first connecting column 1-2. -3 are connected, and the three form a U-shaped structure, that is, button 1 is a U-shaped structure as a whole. The lower surface of the lower pressing plate 1-3 is provided with a first installation opening and the lower pressing plate 1-3 is a hollow body.

With reference to Figure 6, the housing 3 includes an upper housing 3-1, a second connecting post 3-2, and a lower housing 3-3. The upper housing 3-1 is connected to the lower housing 3-3 through the second connecting post 3-2. The three form a U-shaped structure, that is, the housing 3 is a U-shaped structure as a whole; the upper surface of the upper housing 3-1 is provided with a second installation port, and the upper surface of the lower housing 3-3 is provided with a third installation port; wherein The second connecting column 3-2 is a hollow body, and the first connecting column 1-2 is located in the second connecting column 3-2.

A protrusion is provided on the periphery of the button 1, and a slot is provided on the inner circumference of the housing 3. The protrusion is placed in the slot, and the slot limits the movement range of the button 1 by limiting the movement range of the protrusion.

A spring seat 5 is provided on the inner side of the lower surface of the lower shell 3-3. A spring 4 is provided on the spring seat 5. The other end of the spring 4 is connected to the upper surface of the lower pressing plate 1-3 through the first installation opening.

The pushpin body 7 used to fix the pushpin as a whole is fixed on the housing 3 .

With reference to Figures 7 and 8, when the push-button thumbtack is in the initial state: the lower pressing plate 1-3 fills the gap in the 3U-shaped structure of the housing; the upper pressing plate 1-1 is pressed along the expansion and contraction direction of the spring 4 to compress the spring 4, and the upper pressing plate 1-1 drives the first connecting column 1-2 and the lower pressing plate 1-3 to move in the compression direction of the spring 4, so that there is an overlapping area between the gap of the U-shaped structure of the button 1 and the U-shaped structure of the housing 3, and the object to be clamped is placed. In this overlapping area, if the upper pressing plate 1-1 is released, the spring 4 will rebound, causing the lower pressing plate 1-3 to move in the rebound direction of the spring 4 and drive the upper pressing plate 1-1 and the first connecting column 1-2. They move together until the upper surface of the lower pressing plate 1-3 and the lower surface of the upper shell 3-1 clamp the object to be clamped, thereby completing the clamping work.

Further, there is a gap between the button 1 and the housing 3 .

Further, an anti-slip soft pad 2 is provided on the upper surface of the lower pressing plate 1-3.

Further, a protrusion is provided on the periphery of the upper pressing plate 1-1, and a clamping groove is provided on the inner periphery of the upper shell 3-1, and the protrusion is placed in the clamping groove.

Further, a protrusion is provided on the periphery of the lower pressing plate 1-3, and a clamping groove is provided on the inner periphery of the lower shell 3-3, and the protrusion is placed in the clamping groove.

Further, the first connecting column 1-2 is provided with protrusions on its periphery, and the second connecting column 3-2 is provided with a clamping groove on its inner periphery, and the protrusions are placed in the clamping slots.

Further, the thumbtack body 7 is fixed on the housing 3 through screws 6 .

Further, the thumbtack body 7 is fixed on the lower surface of the lower shell 3-3 along the expansion and contraction direction of the spring 4.

Further, the number of springs 4 is 2.

The present invention will be described in detail below with reference to examples.

Example 1

With reference to Figures 1, 2, 3 and 4, a push-button thumbtack of the present invention includes a button 1, a shell 3 and a thumbtack body 7; there is a gap between the button 1 and the shell 3.

With reference to Figure 5, the button 1 includes an upper pressing plate 1-1, a first connecting column 1-2, and a lower pressing plate 1-3. The upper pressing plate 1-1 is connected to the lower pressing plate 1 through the first connecting column 1-2. -3 are connected, and the three form a U-shaped structure, that is, button 1 is a U-shaped structure as a whole. The lower surface of the lower pressing plate 1-3 is provided with a first installation opening and the lower pressing plate 1-3 is a hollow body.

With reference to Figure 6, the housing 3 includes an upper housing 3-1, a second connecting post 3-2, and a lower housing 3-3. The upper housing 3-1 is connected to the lower housing 3-3 through the second connecting post 3-2. The three form a U-shaped structure, that is, the housing 3 is a U-shaped structure as a whole; the upper surface of the upper housing 3-1 is provided with a first installation port, and the upper surface of the lower housing 3-3 is provided with a second installation port; wherein The second connecting column 3-2 is a hollow body, and the first connecting column 1-2 is located inside the second connecting column 3-2. An anti-slip soft pad 2 is provided on the upper surface of the lower pressing plate 1-3.

The button 1 is provided with protrusions on the periphery of the pressing plate 1-1, and the inner periphery of the upper shell 3-1 of the housing 3 is provided with a slot. The protrusions are placed in the slots, and the slots limit the movement range of the protrusions. Limit button 1's range of motion.

A spring seat 5 is provided on the inner side of the lower surface of the lower shell 3-3. A spring 4 is provided on the spring seat 5. The other end of the spring 4 is connected to the upper surface of the lower pressing plate 1-3 through the first installation opening.

The pushpin body 7 used to fix the pushpin as a whole is fixed on the housing 3 .

Example 2

The difference between this solution and Example 1 is:

There are no protrusions on the periphery of the pressing plate 1-1 on the button 1, and there are no slots on the inner periphery of the upper shell 3-1 of the housing 3, while there are protrusions on the periphery of the pressing plate 1-3 on the bottom of the button 1, and the housing 3 The inner periphery of the lower shell 3-3 is provided with a clamping slot, and the protrusion is placed in the clamping slot. The clamping slot limits the movement range of the button 1 by limiting the movement range of the protrusion.

Example 3

The difference between this solution and Example 1 is:

There are no protrusions on the periphery of the pressing plate 1-1 on the button 1, there are no clipping slots on the inner periphery of the upper shell 3-1 of the housing 3, and there are protrusions on the periphery of the first connecting post 1-2 of the button 1. 3. The inner periphery of the second connecting column 3-2 is provided with a clamping slot, and the protrusion is placed in the clamping slot. The clamping slot limits the movement range of the button 1 by limiting the movement range of the protrusion.

Example 4

The difference between this solution and Example 1 is:

The lower pressing plate 1-3 of button 1 and the periphery of the first connecting column 1-2 are also provided with protrusions. The upper shell 3-1 of the housing 3 and the inner periphery of the second connecting column 3-2 are also provided with card slots. The protrusion is placed in a slot at a corresponding position, and the slot limits the movement range of the button 1 by limiting the movement range of the protrusion.

Example 5

The difference between this solution and Example 1 is:

The push pin body 7 is fixed on the housing 3 through screws 6 .

Example 6

The difference between this solution and Example 1 is:

The thumbtack body 7 is fixed on the lower surface of the lower shell 3-3 through screws 6 along the expansion and contraction direction of the spring 4.

Example 7

The difference between this solution and Example 1 is:

The thumbtack body 7 is fixed to the side of the lower shell 3-3 through screws 6 along the vertical direction of the expansion and contraction direction of the spring 4.

The button-type thumbtack of the present invention can effectively avoid varying degrees of damage to objects to be clamped and fixed during use, and can clamp and fix objects of different thicknesses. It has a wide range of applications. In addition, the thumbtack has a simple structure, so the manufacturing process is simple. low cost.

Claims (6)

1. A push-button thumbtack, characterized in that it includes a button (1), a shell (3) and a thumbtack body (7); The button (1) includes an upper pressing plate (1-1), a first connecting column (1-2), and a lower pressing plate (1-3). The upper pressing plate (1-1) passes through the first connecting column. (1-2) is connected to the lower pressing plate (1-3), and the three form a U-shaped structure, that is, the button (1) is a U-shaped structure as a whole; the lower surface of the lower pressing plate (1-3) is provided with a first installation port And the lower pressing plate (1-3) is a hollow body; The shell (3) includes an upper shell (3-1), a second connecting column (3-2), and a lower shell (3-3). The upper shell (3-1) passes through the second connecting column (3-3). 2) Connected to the lower shell (3-3), the three form a U-shaped structure, that is, the shell (3) is a U-shaped structure as a whole; the upper surface of the upper shell (3-1) is provided with a second installation port and a lower shell The upper surface of (3-3) is provided with a third installation port; the second connecting column (3-2) is a hollow body, and the first connecting column (1-2) is located on the second connecting column (3-2) Inside; The button (1) is provided with a protrusion on its periphery, and a clamping slot is arranged on the inner circumference of the housing (3). The protrusion is placed in the clamping slot, and the clamping slot restricts the button (1) by limiting the movement range of the protrusion. range of motion; A spring seat (5) is provided on the inner side of the lower surface of the lower shell (3-3). A spring (4) is provided on the spring seat (5). The other end of the spring (4) passes through the first installation opening and the lower pressing plate (1). The upper surface of -3) is connected; The pushpin body (7) used to fix the pushpin as a whole is fixed on the outer shell (3); When the push-button thumbtack is in its initial state: the lower pressing plate (1-3) fills the gap in the U-shaped structure of the housing (3); the upper pressing plate (1-1) is pressed along the expansion and contraction direction of the spring (4) to cause the spring (4) to Compression, the upper pressing plate (1-1) drives the first connecting column (1-2) and the lower pressing plate (1-3) to move in the compression direction of the spring (4), so that the gap in the U-shaped structure of the button (1) There is an overlapping area with the U-shaped structure of the shell (3). Place the object to be clamped in this overlapping area and release the upper pressing plate (1-1). Then the spring (4) will rebound to make the lower pressing plate (1-1) 3) Move along the rebound direction of the spring (4) and drive the upper pressing plate (1-1) and the first connecting column (1-2) to move together until the upper surface of the lower pressing plate (1-3) is in contact with the upper shell ( The lower surface of 3-1) clamps the object to be clamped to complete the clamping work; The upper pressing plate (1-1) is provided with protrusions on its periphery, and the upper shell (3-1) is provided with a clamping groove on its inner periphery, and the protrusions are placed in the clamping slots; The lower pressing plate (1-3) is provided with protrusions on its periphery, and the lower housing (3-3) is provided with a clamping groove on its inner periphery, and the protrusions are placed in the clamping slot; The first connecting column (1-2) is provided with protrusions on its periphery, and the second connecting column (3-2) is provided with a clamping groove on its inner periphery, and the protrusions are placed in the clamping slots. 2. The push-button thumbtack according to claim 1, characterized in that there is a gap between the button (1) and the housing (3). 3. The push-button push pin according to claim 1, characterized in that an anti-slip soft pad (2) is provided on the upper surface of the lower pressing plate (1-3). 4. The push-button push pin according to claim 1, characterized in that the push pin body (7) is fixed on the housing (3) through screws (6). 5. The push pin according to claim 1, characterized in that the push pin body (7) is fixed on the lower surface of the lower shell (3-3) along the expansion and contraction direction of the spring (4). 6. The push-button push pin according to claim 1, characterized in that the number of the springs (4) is two.