Adjusting and connecting structure of knife rest of double-knife-head pencil sharpener

Abstract

The utility model relates to the technical field of pencil sharpener stationery, and discloses an adjusting and connecting structure of a double-tool-bit pencil sharpener tool rest, which comprises a tool rest body, a first tool bit is arranged on one side of the tool rest body, a second tool bit is arranged on the other side of the tool rest body, and an adjusting groove is arranged on the tool rest body between the first tool bit and the second tool bit. A connecting rod is arranged in the adjusting groove, one end of the connecting rod penetrates through the knife rest body and extends into the fixing cylinder, a telescopic piece is connected to the tail end of the connecting rod, a spring is arranged on the outer wall of the telescopic piece in a sleeving mode, and the telescopic piece is driven by thrust on the rotating handle to move and extrude the spring. The telescopic piece drives the end of the connecting rod to move in the adjusting groove. The position of the connecting rod in the adjusting groove can be adjusted at will, so that the abutting position of the pencil point of the pencil and the end of the connecting rod is changed, the lengths of the pencil points of the sharpened pencils are different, and the pencil sharpener can be conveniently used in various scenes such as sketching and sketching.

Description

Technical Field

[0001] The utility model relates to the technical field of pencil sharpeners, and more specifically, to an adjustable connection structure for the knife rest of a double-blade pencil sharpener. Background Art

[0002] A pencil sharpener includes a main body, a pencil clamping mechanism, a pencil sharpening mechanism and a waste box. The pencil is mainly processed by the pencil sharpening mechanism, which is more convenient and time-saving than using a small knife to sharpen a pencil before the appearance of the pencil sharpener.

[0003] At present, all the pencil sharpeners on the market are single-blade pencil sharpeners, and there are few double-blade pencil sharpeners. Since the double-blade pencil sharpener has two blades, it can save at least half of the time when in use. For the single-blade pencil sharpener, the length of the pencil tip can be adjusted because there is a large space between it and the knife rest, which can ensure the installation and sliding of the limit block.

[0004] However, for the knife rest of the double-blade pencil sharpener, since knife heads are provided on both sides of the knife rest, the space for adjusting the pencil tip is small. Therefore, how to provide an adjustable connection structure for the knife rest of the double-blade pencil sharpener is an urgent problem to be solved in this technical solution. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable connection structure for the knife rest of a double-blade pencil sharpener, so that the position where the tip of the pencil abuts against the end of the connecting rod changes, resulting in different lengths of the pencil tip cut out, which is convenient for use in various scenarios such as sketching and quick sketching, aiming to solve the problem in the prior art that for the knife rest of the double-blade pencil sharpener, since knife heads are provided on both sides of the knife rest, the space for adjusting the pencil tip is small.

[0006] The utility model is realized as follows. The adjustable connection structure for the knife rest of a double-blade pencil sharpener includes a knife rest body. A first knife head is provided on one side of the knife rest body, and a second knife head is provided on the other side. An adjustment groove is provided on the knife rest body between the first knife head and the second knife head. A connecting rod is provided in the adjustment groove. One end of the connecting rod penetrates through the knife rest body and extends into a fixed cylinder. A telescopic member is connected to the end of the connecting rod. A spring is sleeved on the outer wall of the telescopic member. The telescopic member is driven by the thrust on the rotating handle to move and compress the spring. The telescopic member drives the end of the connecting rod to move in the adjustment groove. The end of the connecting rod abuts against the tip of the pencil, realizing the change of the position of the pencil tip in the adjustment groove.

[0007] Furthermore, a through hole is provided on the knife rest body, and the through hole is adapted to the connecting rod. The connecting rod passes through the through hole and its end extends into the adjustment groove.

[0008] Further, an extension cylinder is provided on one side of the fixed cylinder along the axial direction, and a spring seat is formed on the bottom wall of the extension cylinder, and the spring seat abuts against the spring.

[0009] Further, a baffle is provided on the telescopic member, the baffle abuts against the spring, and an adjusting head is provided on one side of the baffle, the adjusting head extends into the rotating handle, and the position of the connecting rod in the adjusting groove is adjusted by adjusting the rotating handle to achieve the abutment of the adjusting head against the telescopic member.

[0010] Further, buckling grooves are penetrated through both sides of the middle part of the fixed cylinder, a through groove is penetrated through the middle part of the telescopic member, a buckle is extended outward from one side of the through groove, and the buckle is buckled with the buckling groove to complete the fixation of the telescopic member in the fixed cylinder.

[0011] Further, a pencil sharpening groove opening is provided on one side of the tool rest body away from the rotating handle, and a pencil holder is provided on one side of the pencil sharpening groove opening. The pencil holder is fixed in the housing of the pencil sharpener to fix the pencil, and one end of the pencil enters the pencil sharpening groove opening for cutting.

[0012] Further, the connecting rod includes a connecting seat, the connecting seat is fixed to the telescopic member, a connecting portion is provided on one side of the connecting seat, and an abutting portion is provided on one side of the connecting portion. The end of the abutting portion abuts against the tip of the pencil.

[0013] Further, buckling blocks are provided on both sides of the connecting seat, a fixing groove is provided at one end of the telescopic member, a buckling groove is provided in the fixing groove, and the buckling blocks are buckled with the buckling groove to complete the connection between the telescopic member and the connecting seat.

[0014] Further, the connecting seat is cylindrical and the outer wall is coated with glue. A fixing groove is provided at one end of the telescopic member, and one side of the connecting seat extends to the bottom wall of the fixing groove to complete the adhesive fixation.

[0015] Further, the connecting seat is cylindrical and has an external thread provided on the outer wall. A fixing groove is provided at one end of the telescopic member, and an internal thread adapted to the external thread is provided on the inner side wall of the fixing groove. One side of the connecting seat extends to the bottom wall of the fixing groove to complete the threaded fixation.

[0016] Compared with the prior art, the adjustable connection structure of the tool rest of the double-blade pencil sharpener provided by the present utility model has the following beneficial effects:

[0017] 1. Through various connection methods between the connecting rod and the telescopic member, the adjustment driving force on the turning handle is transmitted to the direction of the connecting rod. The spring provided on the telescopic member ensures rapid rebound when the external thrust is withdrawn, ensuring that the position of the connecting rod in the adjustment groove can be adjusted arbitrarily. This causes the position where the tip of the pencil abuts against the end of the connecting rod to change, resulting in different lengths of the pencil tip cut out, which is convenient for use in various scenarios such as sketching and quick sketching.

[0018] 2. The cross-sectional diameter of the abutting portion on the connecting rod is larger than that of the connecting portion. This makes it convenient for the abutting portion not to come into contact with the first cutter head and the second cutter head in the adjustment groove. Moreover, the connecting rod is made of a metal material with better hardness, and the connection method with the telescopic member adopts strong fixing methods such as snap connection, bonding, and threaded connection, which is convenient for the effective transmission of the pushing force. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded view of the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0020] Figure 2 It is a top - view structural schematic diagram of the knife rest body in the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0021] Figure 3 It is a side - view structural schematic diagram of the knife rest body in the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0022] Figure 4 It is a connection schematic diagram of the fixed cylinder and the telescopic member in the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0023] Figure 5 It is a structural schematic diagram of the telescopic member in the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0024] Figure 6 It is a structural schematic diagram of the connecting rod in Embodiment 1 of the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0025] Figure 7 It is a connection schematic diagram of the connecting rod and the telescopic member in Embodiment 2 of the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model;

[0026] Figure 8 It is a connection schematic diagram of the connecting rod and the telescopic member in Embodiment 3 of the adjustment connection structure of the knife rest of the double - cutter - head pencil sharpener proposed by the present utility model.

[0027] In the figure: 1 - tool rest body, 2 - first tool bit, 3 - second tool bit, 4 - adjustment groove, 5 - through port, 6 - fixed cylinder, 7 - extension cylinder, 8 - spring seat, 9 - telescopic member, 10 - spring, 11 - through groove, 12 - buckle, 13 - buckling groove, 14 - fixed groove, 15 - connecting rod, 151 - connecting seat, 152 - connecting portion, 153 - abutting portion, 16 - adjustment head, 17 - turning handle, 18 - pen clip. Detailed implementation manner

[0028] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further details the present utility model in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] The following details the implementation of the present utility model in combination with specific embodiments.

[0030] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as a limitation of the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] Example 1

[0032] Refer to Figures 1 - 6As shown in the figure, the adjustment connection structure of the double-blade pencil sharpener knife holder includes a knife holder body 1. A first blade 2 is provided on one side of the knife holder body 1, and a second blade 3 is provided on the other side. An adjustment groove 4 is provided on the knife holder body 1 between the first blade 2 and the second blade 3. A connecting rod 15 is provided in the adjustment groove 4. One end of the connecting rod 15 penetrates through the knife holder body 1 and extends into a fixed cylinder 6. A telescopic member 9 is connected to the end of the connecting rod 15. A spring 10 is sleeved on the outer wall of the telescopic member 9. The telescopic member 9 is driven by the thrust on the rotary handle 17 to move and compress the spring 10. The telescopic member 9 drives the end of the connecting rod 15 to move in the adjustment groove 4. The end of the connecting rod 15 abuts against the tip of the pencil, realizing the position change of the tip of the pencil in the adjustment groove 4. In this way, the position where the tip of the pencil abuts against the end of the connecting rod 15 changes, resulting in different lengths of the sharpened pencil tip, which is convenient for use in various scenarios such as sketching and quick sketching. On the side of the knife holder body 1 away from the rotary handle 17, there is a pencil sharpening slot opening. On one side of the pencil sharpening slot opening, there is a pencil clip 18. The pencil clip 18 is fixed in the housing of the pencil sharpener to fix the pencil. One end of the pencil enters the pencil sharpening slot opening for cutting.

[0033] In this embodiment, a through hole 5 is provided on the knife holder body 1. The through hole 5 is adapted to the connecting rod 15. The connecting rod 15 passes through the through hole 5 to complete the extension of the end into the adjustment groove 4. The through hole 5 and the connecting rod 15 are in interference fit, which is convenient for the movement of the connecting rod 15 and secondly has the effect of telescopic limit.

[0034] In this embodiment, an extension cylinder 7 is provided on one side of the fixed cylinder 6 along the axial direction. A spring seat 8 is formed on the bottom wall of the extension cylinder 7. The spring seat 8 abuts against the spring 10. A baffle is provided on the telescopic member 9. The baffle abuts against the spring 10. And on one side of the baffle, there is an adjustment head 16. The adjustment head 16 extends into the rotary handle 17. By adjusting the rotary handle 17, the adjustment head 16 abuts against the telescopic member 9 to complete the position adjustment of the connecting rod 15 in the adjustment groove 4. The adjustment head 16 conveys the adjustment driving force on the rotary handle 17 to the position of the connecting rod 15. The spring 10 provided on the telescopic member 9 ensures that it can quickly rebound when the external thrust is withdrawn.

[0035] In this embodiment, buckling grooves 13 are penetrated through both sides of the middle part of the fixed cylinder 6. A through groove 11 is penetrated through the middle part of the telescopic member 9. A buckle 12 extends outward from one side of the through groove 11. The buckle 12 is buckled with the buckling groove 13 to complete the fixation of the telescopic member 9 in the fixed cylinder 6. The spring 10 after buckling fixation is in a slightly compressed state.

[0036] In this embodiment, the connecting rod 15 includes a connecting seat 151. The connecting seat 151 is fixed to the telescopic member 9. A connecting portion 152 is provided on one side of the connecting seat 151, and an abutting portion 153 is provided on one side of the connecting portion 152. The end of the abutting portion 153 abuts against the pencil tip. The specific method is as follows: Buckles are provided on both sides of the connecting seat 151, and a fixing groove 14 is provided at one end of the telescopic member 9. A buckling groove is provided in the fixing groove 14, and the buckle is buckled with the buckling groove to complete the connection between the telescopic member 9 and the connecting seat 151.

[0037] Example 2

[0038] Refer to Figure 7 , in this technical solution, the connecting seat 151 is cylindrical and its outer wall is coated with glue. A fixing groove 14 is provided at one end of the telescopic member 9. One side of the connecting seat 151 extends to the bottom wall of the fixing groove 14 to complete adhesive fixation, and the rest of the technical features are the same as those in Embodiment 1.

[0039] Example 3

[0040] Refer to Figure 8 , in this technical solution, the connecting seat 151 is cylindrical and has an external thread provided on its outer wall. A fixing groove 14 is provided at one end of the telescopic member 9, and an internal thread adapted to the external thread is provided on the inner side wall of the fixing groove 14. One side of the connecting seat 151 extends to the bottom wall of the fixing groove 14 to complete threaded fixation, and the rest of the technical features are the same as those in Embodiment 1.

[0041] Combining Embodiments 1-3, this technical solution realizes the transmission of the adjustment driving force on the turning handle 17 to the position of the connecting rod 15 through various connection methods between the connecting rod 15 and the telescopic member 9. The spring 10 provided on the telescopic member 9 ensures rapid rebound when the external thrust is withdrawn, ensuring that the position of the connecting rod 15 in the adjustment groove 4 can be adjusted arbitrarily. As a result, the position where the pencil tip abuts against the end of the connecting rod 15 changes, resulting in different lengths of the pencil tip cut out, which is convenient for use in various scenarios such as sketching and quick sketching. In addition, the cross-sectional diameter of the abutting portion 153 on the connecting rod 15 is larger than that of the connecting portion 152, which is convenient for the abutting portion 153 not to come into contact with the first cutter head 2 and the second cutter head 3 in the adjustment groove 4. And the connecting rod 15 is made of a metal material with better hardness, and the connection method with the telescopic member 9 adopts strong fixing methods such as buckling, bonding, and threaded connection, which is convenient for the effective transmission of the pushing force.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Adjusting connection structure of a double-blade pencil sharpener knife holder, including a knife holder body, a first knife head is arranged on one side of the knife holder body, and a second knife head is arranged on the other side, characterized in that, An adjustment groove is provided on the tool rest body between the first cutter head and the second cutter head. A connecting rod is provided in the adjustment groove. One end of the connecting rod penetrates through the tool rest body and extends into the fixed cylinder. A telescopic member is connected to the end of the connecting rod. A spring is sleeved on the outer wall of the telescopic member. The telescopic member is driven by the thrust on the rotating handle to move and compress the spring. The telescopic member drives the end of the connecting rod to move in the adjustment groove. The end of the connecting rod abuts against the tip of the pencil, realizing the position change of the pencil tip in the adjustment groove.

2. The adjusting and connecting structure of the cutter head holder of the double-blade pencil sharpener according to claim 1, characterized in that, A through hole is provided on the tool rest body, and the through hole is adapted to the connecting rod. The connecting rod passes through the through hole to complete the extension of the end into the adjustment groove.

3. The adjusting and connecting structure of the knife rest of the double-blade pencil sharpener according to claim 2, characterized in that, An extension cylinder is provided on one side of the fixed cylinder along the axial direction. A spring seat is formed on the bottom wall of the extension cylinder, and the spring seat abuts against the spring.

4. The adjusting connection structure of the double-blade pencil sharpener blade holder according to claim 3, characterized in that, A baffle is provided on the telescopic member, and the baffle abuts against the spring. An adjustment head is provided on one side of the baffle, and the adjustment head extends into the rotating handle. By adjusting the rotating handle, the adjustment head abuts against the telescopic member to complete the position adjustment of the connecting rod in the adjustment groove.

5. The adjusting and connecting structure of the knife rest of the double-blade pencil sharpener according to claim 4, characterized in that, Clamping grooves are penetrated through both sides of the middle part of the fixed cylinder. A through groove is penetrated through the middle part of the telescopic member. A clamping buckle extends outward from one side of the through groove. The clamping buckle is buckled with the clamping groove to complete the fixation of the telescopic member in the fixed cylinder.

6. The adjusting and connecting structure of the knife rest of the double-blade pencil sharpener according to claim 5, characterized in that, A pencil sharpening groove opening is provided on one side of the tool rest body away from the rotating handle. A pencil holder is provided on one side of the pencil sharpening groove opening. The pencil holder is fixed in the housing of the pencil sharpener to fix the pencil. One end of the pencil enters the pencil sharpening groove opening for cutting.

7. The adjusting and connecting structure of the knife rest of the double-blade pencil sharpener according to claim 6, wherein, The connecting rod includes a connecting seat, and the connecting seat is fixed to the telescopic member. A connecting portion is provided on one side of the connecting seat, and an abutting portion is provided on one side of the connecting portion. The end of the abutting portion abuts against the tip of the pencil.

8. The adjusting connection structure of the double-blade pencil sharpener knife holder according to claim 7, characterized in that, Clamping blocks are provided on both sides of the connecting seat. A fixing groove is provided at one end of the telescopic member, and a clamping groove is provided in the fixing groove. The clamping blocks are buckled with the clamping groove to complete the connection between the telescopic member and the connecting seat.

9. The adjusting and connecting structure of the knife rest of the double-blade pencil sharpener according to claim 8, characterized in that, The connecting seat is cylindrical and its outer wall is coated with glue. A fixing groove is provided at one end of the telescopic member, and one side of the connecting seat extends to the bottom wall of the fixing groove to complete the adhesive fixation.

10. The adjusting connection structure of the double-blade pencil sharpener knife holder according to claim 9, characterized in that, The connecting seat is cylindrical and has an external thread on its outer wall. A fixing groove is provided at one end of the telescopic member, and an internal thread adapted to the external thread is provided on the inner side wall of the fixing groove. One side of the connecting seat extends to the bottom wall of the fixing groove to complete the threaded fixation.

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