CN104908066A - Portable rubber utility knife - Google Patents

Abstract

The invention discloses a portable rubber scratcher, which comprises a bearing, a positioning shaft, a positioning piece, a scale and a cutter head. The positioning shaft is rotatably connected to the bearing. One end of the scale is arranged on the side of the positioning shaft and fixed with the positioning shaft. The scale is The extension direction of the ruler coincides with a diameter of the radial section of the positioning pump. There is a through groove on the positioning piece, and the scale passes through the positioning piece. The positioning piece is slidingly connected with the scale and the length direction of the positioning piece is perpendicular to the extension direction of the scale. , the positioning part is provided with a knife groove, the knife groove is provided with a fixing part, and the cutter head is arranged in the knife groove and fixed by the fixing part and the positioning part. The above-mentioned portable rubber scratcher can be used for on-site processing and production of rubber sealing rings of different sizes for different equipment, especially rare rubber sealing rings that are difficult to have spare parts, and is convenient, safe and time-saving to use. Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Description

A portable rubber scratch knife

technical field

The invention relates to a portable rubber scratcher.

Background technique

In the maintenance work of substation equipment, it is often encountered that the main transformer, CT and other equipment cause oil leakage or water ingress due to the aging of the rubber ring, which affects the safe operation of the substation equipment. However, the rubber rings of different equipment have different sizes, and it is difficult to have spare parts, all of which need to be produced and processed on site. The size deviation of rubber rings made by traditional tools such as scissors, steel rulers, and wallpaper knives is relatively large, and the accuracy cannot meet the requirements. Now according to the actual on-site maintenance, a rubber scratcher is developed to facilitate on-site work and improve work efficiency.

Contents of the invention

The object to be achieved by the present invention is to provide a portable rubber scratcher, which can accurately, conveniently and quickly scratch rubber rings.

In order to achieve the above object, the present invention adopts the following technical scheme: a portable rubber scratch knife, comprising a bearing, a positioning shaft, a positioning piece, a scale and a cutter head, the positioning shaft is rotatably connected to the bearing, and one end of the scale is arranged at the end of the positioning shaft The side is fixed with the positioning shaft, the extension direction of the scale coincides with a diameter of the radial section of the positioning pump, a through groove is provided on the positioning piece, the scale passes through the positioning piece, the positioning piece is slidingly connected with the scale and the length of the positioning piece is The direction is perpendicular to the extension direction of the scale, a knife groove is arranged in the positioning part, a fixing part is arranged in the knife groove, and a knife head is arranged in the knife groove and fixed by the fixing part and the positioning part.

After the positioning shaft is fixed on the rubber ring, the positioning piece slides on the scale to determine the cutting radius, and then the rubber ring is cut out by the knife head in the knife groove of the positioning piece, the operator holds the bearing, and then rotates the positioning piece to position The cutting part can be rotated around the axis of the positioning shaft for one rotation with the knife groove and the cutting head in it to complete the cutting; the cutting head can be replaced by opening and closing the fixing part to prevent the cutting efficiency from decreasing due to the passivation of the cutting head.

Further, the end of the positioning shaft away from the bearing is a cone, and the fixed point of the cone is farthest from the bearing. Use the tip of the vertebral body to position on the rubber band so that it does not become dislodged.

Further, an adhesive layer is provided on the end surface of the end of the positioning shaft away from the bearing. Some work objects that cannot be pierced with sharp objects are temporarily bonded with an adhesive layer to ensure positioning.

Further, the end of the positioning shaft away from the bearing is provided with a fixing seat, and the edge of the fixing seat is extended downward to form a circular ring of equal height. Some operating objects that cannot be pierced with sharp objects and are difficult to bond and remove are positioned by ring compression. The ring increases the compression area and reduces the pressure.

Further, the portable squeegee includes a capacitive sensor and a liquid crystal screen. The capacitive sensor includes a main grid and a sub-grid. The screen is electrically connected, the liquid crystal screen is arranged on the positioning part, and a battery is also arranged in the positioning part, and the battery is electrically connected with the auxiliary grid and the liquid crystal screen respectively. The combination of capacitive grid structure and LCD screen can effectively improve the accuracy of reading.

Further, the positioning part is provided with a micro motor and a movable block, the movable block is rotatably connected with the positioning part and the rotating shaft is parallel to the length direction of the positioning part, the knife groove is arranged in the movable block, and the micro motor can drive the movable block to rotate , the micro motor is electrically connected with the battery. The micro-motor drives the movable block to rotate at high speed, so that the needle-shaped cutter head can rotate itself, so as to improve the cutting efficiency and precision, and reduce the possibility of burrs at the same time.

Further, a micro motor, a chute and a movable block are arranged in the positioning part, and the movable block can slide back and forth along the length direction of the positioning part in the chute, and the knife groove is arranged in the movable block, and the micro motor can drive the movable block The block slides in the chute, and the tiny motor is electrically connected to the battery. The micro-motor drives the movable block to move up and down, so that the flaky cutter heads form the effect of sawing, so as to improve cutting efficiency and precision, and reduce the possibility of burrs.

After adopting the technical scheme, the present invention has the following advantages:

(1) Rubber seal rings of different sizes for different equipment, especially rare rubber seal rings that are hard to find spare parts, can be processed and produced on site anytime and anywhere, which is convenient, safe and time-saving to use.

(2) Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the schematic diagram of embodiment one of the present invention;

Fig. 2 is the schematic diagram of the second embodiment of the present invention;

3 is a schematic diagram of Embodiment 3 of the present invention;

Fig. 4 is a schematic diagram of Embodiment 4 of the present invention.

Detailed ways

Embodiment one

As shown in Figure 1, a portable rubber scratcher includes a bearing 1, a positioning shaft 2, a positioning piece 3, a scale 4 and a cutter head 5, the positioning shaft 2 is connected to the bearing 1 in rotation, and one end of the scale 4 is set on the positioning shaft 2 and fixed with the positioning shaft 2, the extension direction of the scale 4 coincides with a diameter of the radial section of the positioning pump, the positioning piece 3 is provided with a through groove 6, the scale 4 passes through the positioning piece 3, the positioning piece 3 and the scale The ruler 4 is slidingly connected and the length direction of the locating member 3 is perpendicular to the extension direction of the scale 4, the locating member 3 is provided with a knife groove (not shown in the figure), the knife groove is provided with a fixing part 8, and the cutter head 5 is located on the It is fixed in the knife groove and fixed with the positioning part 3 by the fixing part 8. The end of the positioning shaft 2 away from the bearing 1 is a cone and the fixed point of the cone is the farthest from the bearing 1 . Use the tip of the vertebral body to position on the rubber band so that it does not become dislodged. The portable squeegee includes a capacitive sensor and a liquid crystal screen 10, and the capacitive sensor includes a main grid 9 and a sub-grid (not shown in the figure), the main grid 9 is arranged on the scale 4, and the sub-grid is arranged on the passage of the positioning member 3. In the groove 6, the auxiliary grid is electrically connected to the liquid crystal screen 10, and the liquid crystal screen 10 is arranged on the positioning member 3, and a battery (not shown in the figure) is also arranged in the positioning member 3, and the battery is electrically connected to the auxiliary grid and the liquid crystal screen 10 respectively. , the use of the capacitive grid structure and the liquid crystal screen 10 can effectively improve the accuracy of the reading. The positioning part 3 is provided with a micro motor (not shown) and a movable block 7, the movable block 7 is connected to the positioning part 3 in rotation and the rotating shaft is parallel to the length direction of the positioning part 3, and the knife groove is arranged in the movable block 7 The micro motor can drive the movable block 7 to rotate, the micro motor is electrically connected to the battery, and the micro motor drives the movable block 7 to rotate at a high speed, so that the needle-shaped cutter head 5 can rotate, so as to improve cutting efficiency and precision, and reduce the possibility of producing burrs.

After the positioning shaft 2 is fixed on the rubber ring, the positioning part 3 slides on the scale 4 to determine the cutting radius, and then the rubber ring is cut out by the cutter head 5 in the knife groove of the positioning part 3, and the operator holds the bearing 1, Then rotate the locator 3, the locator 3 carries the knife groove and the cutter head 5 in it and can rotate around the axis of the positioning shaft 2 to complete the cutting; The resulting reduction in cutting efficiency.

The above-mentioned portable rubber scratcher can be used for on-site processing and production of rubber sealing rings of different sizes for different equipment, especially rare rubber sealing rings that are difficult to have spare parts, and is convenient, safe and time-saving to use. Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Embodiment two

As shown in Figure 2, a portable rubber scratcher includes a bearing 1, a positioning shaft 2, a positioning piece 3, a scale 4 and a cutter head 5, the positioning shaft 2 is connected to the bearing 1 in rotation, and one end of the scale 4 is set on the positioning shaft 2 and fixed with the positioning shaft 2, the extension direction of the scale 4 coincides with a diameter of the radial section of the positioning pump, the positioning piece 3 is provided with a through groove 6, the scale 4 passes through the positioning piece 3, the positioning piece 3 and the scale The ruler 4 is slidingly connected and the length direction of the positioning part 3 is perpendicular to the extension direction of the scale 4. The positioning part 3 is provided with a knife groove, and the knife groove is provided with a fixing part 8. The cutter head 5 is arranged in the knife groove and passes through the fixing part. 8 is fixed with the positioning part 3. An adhesive layer is provided on the end face of the positioning shaft 2 away from the end of the bearing 1, and some work objects that cannot be stabbed with sharp objects are temporarily bonded with the adhesive layer to ensure positioning. The portable squeegee includes a capacitive sensor and a liquid crystal screen 10. The capacitive sensor includes a main grid 9 and an auxiliary grid. The liquid crystal screen 10 is electrically connected, and the liquid crystal screen 10 is arranged on the positioning member 3, and a battery is also arranged in the positioning member 3, and the battery is electrically connected with the auxiliary grid and the liquid crystal screen 10 respectively, and the cooperation of the capacitor grid structure and the liquid crystal screen 10 can effectively improve Accuracy of readings. The positioning part 3 is provided with a micro motor and a movable block 7, the movable block 7 is rotationally connected with the positioning part 3 and the rotating shaft is parallel to the length direction of the positioning part 3, the knife groove is arranged in the movable block 7, and the micro motor can drive the movable block 7 rotates, the micromotor is electrically connected with the battery, and the micromotor drives the movable block 7 to rotate at a high speed, so that the needle-shaped cutter head 5 rotates, so as to improve cutting efficiency and precision, and reduce the possibility of producing burrs simultaneously.

After the positioning shaft 2 is fixed on the rubber ring, the positioning part 3 slides on the scale 4 to determine the cutting radius, and then the rubber ring is cut out by the cutter head 5 in the knife groove of the positioning part 3, and the operator holds the bearing 1, Then rotate the locator 3, the locator 3 carries the knife groove and the cutter head 5 in it and can rotate around the axis of the positioning shaft 2 to complete the cutting; The resulting reduction in cutting efficiency.

The above-mentioned portable rubber scratcher can be used for on-site processing and production of rubber sealing rings of different sizes for different equipment, especially rare rubber sealing rings that are difficult to have spare parts, and is convenient, safe and time-saving to use. Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Embodiment Three

As shown in Figure 3, a portable rubber scratcher includes a bearing 1, a positioning shaft 2, a positioning piece 3, a scale 4 and a cutter head 5, the positioning shaft 2 is connected to the bearing 1 in rotation, and one end of the scale 4 is set on the positioning shaft 2 and fixed with the positioning shaft 2, the extension direction of the scale 4 coincides with a diameter of the radial section of the positioning pump, the positioning piece 3 is provided with a through groove 6, the scale 4 passes through the positioning piece 3, the positioning piece 3 and the scale The ruler 4 is slidingly connected and the length direction of the positioning part 3 is perpendicular to the extension direction of the scale 4. The positioning part 3 is provided with a knife groove, and the knife groove is provided with a fixing part 8. The cutter head 5 is arranged in the knife groove and passes through the fixing part. 8 is fixed with the positioning part 3. The end of the positioning shaft 2 away from the bearing 1 is provided with a fixed seat, and the edge of the fixed seat is extended downward to form a circular ring of equal height. Some work objects that cannot be pierced with sharp objects and are difficult to bond and remove are positioned by the circular ring. The ring increases the compression area and reduces the pressure. The portable squeegee includes a capacitive sensor and a liquid crystal screen 10. The capacitive sensor includes a main grid 9 and an auxiliary grid. The liquid crystal screen 10 is electrically connected, and the liquid crystal screen 10 is arranged on the positioning member 3, and a battery is also arranged in the positioning member 3, and the battery is electrically connected with the auxiliary grid and the liquid crystal screen 10 respectively, and the cooperation of the capacitor grid structure and the liquid crystal screen 10 can effectively improve Accuracy of readings. The positioning part 3 is provided with a micro motor and a movable block 7, the movable block 7 is rotationally connected with the positioning part 3 and the rotating shaft is parallel to the length direction of the positioning part 3, the knife groove is arranged in the movable block 7, and the micro motor can drive the movable block 7 rotates, the micromotor is electrically connected with the battery, and the micromotor drives the movable block 7 to rotate at a high speed, so that the needle-shaped cutter head 5 rotates, so as to improve cutting efficiency and precision, and reduce the possibility of producing burrs simultaneously.

After the positioning shaft 2 is fixed on the rubber ring, the positioning part 3 slides on the scale 4 to determine the cutting radius, and then the rubber ring is cut out by the cutter head 5 in the knife groove of the positioning part 3, and the operator holds the bearing 1, Then rotate the locator 3, the locator 3 carries the knife groove and the cutter head 5 in it and can rotate around the axis of the positioning shaft 2 to complete the cutting; The resulting reduction in cutting efficiency.

The above-mentioned portable rubber scratcher can be used for on-site processing and production of rubber sealing rings of different sizes for different equipment, especially rare rubber sealing rings that are difficult to have spare parts, and is convenient, safe and time-saving to use. Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Embodiment four

As shown in Figure 4, a portable rubber scratcher includes a bearing 1, a positioning shaft 2, a positioning member 3, a scale 4 and a cutter head 5, the positioning shaft 2 is connected to the bearing 1 in rotation, and one end of the scale 4 is set on the positioning shaft 2 and fixed with the positioning shaft 2, the extension direction of the scale 4 coincides with a diameter of the radial section of the positioning pump, the positioning piece 3 is provided with a through groove 6, the scale 4 passes through the positioning piece 3, the positioning piece 3 and the scale The ruler 4 is slidingly connected and the length direction of the positioning part 3 is perpendicular to the extension direction of the scale 4. The positioning part 3 is provided with a knife groove, and the knife groove is provided with a fixing part 8. The cutter head 5 is arranged in the knife groove and passes through the fixing part. 8 is fixed with the positioning part 3. An adhesive layer is provided on the end face of the positioning shaft 2 away from the end of the bearing 1, and some work objects that cannot be stabbed with sharp objects are temporarily bonded with the adhesive layer to ensure positioning. The portable squeegee includes a capacitive sensor and a liquid crystal screen 10. The capacitive sensor includes a main grid 9 and an auxiliary grid. The liquid crystal screen 10 is electrically connected, and the liquid crystal screen 10 is arranged on the positioning member 3, and a battery is also arranged in the positioning member 3, and the battery is electrically connected with the auxiliary grid and the liquid crystal screen 10 respectively, and the cooperation of the capacitor grid structure and the liquid crystal screen 10 can effectively improve Accuracy of readings. The positioning part 3 is provided with a micro motor, a chute and a movable block 7, the movable block 7 can slide back and forth along the length direction of the positioning part 3 in the chute, the knife slot is arranged in the movable block 7, and the micro motor can drive the movable The block 7 slides in the chute, the micromotor is electrically connected to the battery, and the micromotor drives the movable block 7 to move up and down, so that the sheet-shaped cutter head 5 forms the effect of a saw, to improve cutting efficiency and precision, and reduce the possibility of burrs.

After the positioning shaft 2 is fixed on the rubber ring, the positioning part 3 slides on the scale 4 to determine the cutting radius, and then the rubber ring is cut out by the cutter head 5 in the knife groove of the positioning part 3, and the operator holds the bearing 1, Then rotate the locator 3, the locator 3 carries the knife groove and the cutter head 5 in it and can rotate around the axis of the positioning shaft 2 to complete the cutting; The resulting reduction in cutting efficiency.

The above-mentioned portable rubber scratcher can be used for on-site processing and production of rubber sealing rings of different sizes for different equipment, especially rare rubber sealing rings that are difficult to have spare parts, and is convenient, safe and time-saving to use. Compared with the traditional use of scissors, rulers and other tools to make sealing rings, the accuracy is much improved.

Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (7)

1. a portable rubber scratcher, characterized in that: comprise bearing (1), positioning shaft (2), positioning part (3), scale (4) and cutter head (5), positioning shaft is connected with bearing rotation, One end of the scale is arranged on the side of the positioning shaft and fixed with the positioning shaft. The extension direction of the scale coincides with a diameter of the radial section of the positioning pump. The positioning piece is provided with a through groove (6), and the scale passes through the positioning piece. The positioning part is slidingly connected with the scale and the length direction of the positioning part is perpendicular to the extension direction of the scale. The parts are fixed with the positioning parts. 2. A portable rubber scratcher according to claim 1, characterized in that: the end of the positioning shaft away from the bearing is a cone, and the fixed point of the cone is farthest from the bearing. 3 . The portable squeegee according to claim 1 , wherein an adhesive layer is provided on the end surface of the positioning shaft away from the bearing. 4 . 4. A portable rubber scratcher according to claim 1, characterized in that: the end of the positioning shaft away from the bearing is provided with a fixing seat, and the edge of the fixing seat is extended downward to form a circular ring of equal height. 5. A portable squeegee according to any one of claims 1-4, characterized in that: said portable squeegee includes a capacitive sensor and a liquid crystal screen (10), and the capacitive sensor includes a main grid (9) and auxiliary grid, the main grid is set on the scale, the auxiliary grid is set in the through groove of the positioning member, the auxiliary grid is electrically connected with the LCD screen, the liquid crystal screen is set on the positioning member, and a battery is also arranged in the positioning member, and the battery and the auxiliary grid The grid and the LCD screen are electrically connected respectively. 6. A kind of portable rubber scratcher according to claim 5, characterized in that: a micro motor and a movable block (7) are arranged in the positioning member, the movable block is connected to the positioning member in rotation and the length of the rotating shaft and the positioning member The directions are parallel, the knife groove is arranged in the movable block, the micro motor can drive the movable block to rotate, and the micro motor is electrically connected with the battery. 7. A portable rubber scratcher according to claim 5, characterized in that: a micro motor, a chute and a movable block are arranged in the positioning member, and the movable block can move back and forth along the length direction of the positioning member in the chute Sliding, the knife groove is arranged in the movable block, the micro motor can drive the movable block to slide in the chute, and the micro motor is electrically connected with the battery.