CN215792877U

CN215792877U - Scrap removing type eraser

Info

Publication number: CN215792877U
Application number: CN202122191139.7U
Authority: CN
Inventors: 徐超林; 邵和义
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-11
Anticipated expiration: 2031-09-10

Abstract

The scrap-removing type eraser comprises a box body, wherein an accommodating cavity and a scrap cavity are arranged in parallel in the box body, an eraser is placed in the accommodating cavity, one end of the eraser is positioned outside the accommodating cavity, an adjusting mechanism capable of adjusting the displacement of the eraser is arranged between the other end of the eraser and the accommodating cavity, baffles are symmetrically arranged at the bottom end of the scrap cavity, the baffles are connected with the box body through damping hinges, a sealing plug is plugged at the top of the scrap cavity, and an exhaust mechanism capable of exhausting air in the scrap cavity is arranged on one side of the box body, away from the accommodating cavity; set up exhaust mechanism and can carry out the exhaust operation to sweeps intracavity portion, make sweeps intracavity portion be in negative pressure state to inhale the purpose that the sweeps intracavity reaches the clearance with the piece, avoid the sweeps to pile up the clean and tidy nature of influence.

Description

Scrap removing type eraser

Technical Field

The utility model belongs to the technical field of erasers, and particularly relates to a scrap removing type eraser.

Background

The eraser is one of daily stationery, stationery made of rubber can erase traces of graphite or ink, is various in types, shapes and colors, after pencil words are erased by the eraser, eraser crumbs remain on paper, the cleanness of a desktop is affected, especially when the eraser is used at home for study, the eraser crumbs easily fall between underground plate seams, the difficulty is increased for cleaning a floor, and therefore the eraser capable of removing the scraps is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a scrap-removing type eraser, and the specific technical scheme is as follows:

remove bits formula rubber, comprises a box bod, the inside parallel arrangement of box body holds chamber and sweeps chamber, the rubber has been placed to the inside that holds the chamber, the one end of rubber is located hold the chamber outside, the other end with it can adjust the adjustment mechanism of rubber displacement to hold to be provided with between the chamber, the bottom symmetry in sweeps chamber is provided with the baffle, the baffle with through damping hinge connection between the box body, the sealing plug has been filled in sweeps chamber top, the box body deviates from one side that holds the chamber is provided with the exhaust mechanism that can discharge sweeps chamber air.

Further, exhaust mechanism includes exhaust chamber, one-way air inlet, inlet port, one-way play gas spare, venthole, baffle, piston and connecting rod, the box body deviates from one side that holds the chamber is provided with the exhaust chamber, exhaust chamber top with it has the inlet port to open between the sweeps chamber, the exhaust chamber deviates from open one side of inlet port has the venthole, inlet port department is provided with one-way air inlet, venthole department is provided with one-way play gas spare, the inside in exhaust chamber is equipped with the piston that can remove, the piston with be provided with the baffle between one-way air inlet, the one-way play gas spare, the baffle is fixed in exhaust intracavity wall, piston and connecting rod fixed connection.

Further, one-way air inlet spare with one-way play gas spare all includes adapter sleeve, air inlet duct, goes out air duct and fly leaf, the one end of adapter sleeve is provided with the air inlet duct, and the other end is provided with out the air duct, the air inlet duct with it sets up to go out the air duct and communicate with each other, the radial length of air inlet duct is less than the radial length who goes out the air duct, go out the air duct lean on to the one end of air inlet duct is equipped with the fly leaf, the fly leaf with go out the air duct and pass through damping hinge connection, one-way air inlet spare air inlet end with the inlet port communicates with each other and sets up, one-way play gas spare air outlet end with the venthole communicates with each other and sets up.

Furthermore, a protective net for blocking the waste scraps is arranged at the position, close to the air inlet, of the waste scrap cavity.

Furthermore, adjustment mechanism includes bearing housing, screw rod, rotatory piece, screw thread piece and dead lever, the top that holds the chamber is provided with the bearing housing, the inner wall of bearing housing is connected with the screw rod, the one end of screw rod is located the box body outside and with rotatory piece fixed connection, the screw rod is located the one end surface threaded connection who holds intracavity portion has the screw thread piece, the fixed surface of screw thread piece is provided with the dead lever, the dead lever embedding inside the eraser.

Furthermore, a cavity for accommodating the screw rod is formed in one end, facing the thread block, of the eraser.

The utility model has the beneficial effects that:

1. the exhaust mechanism is arranged to exhaust the inside of the waste chip cavity, so that the inside of the waste chip cavity is in a negative pressure state, the chips are sucked into the waste chip cavity to achieve the purpose of cleaning, and the influence of waste chip accumulation on tidiness is avoided;

2. the adjusting mechanism is arranged to adjust the displacement of the eraser, and after the end part of the eraser, which is positioned at the outer side of the box body, is worn out, the adjusting mechanism can adjust the displacement of the eraser, so that the eraser can move to the outer part of the box body, and the eraser can be conveniently used continuously.

Drawings

FIG. 1 shows a schematic view of a crumb-removing eraser of the utility model;

FIG. 2 shows a schematic view of the internal structure of the present invention;

FIG. 3 shows a schematic view of the exhaust mechanism of the present invention;

FIG. 4 shows a schematic view of the one-way air intake of the present invention;

shown in the figure: 1. a box body; 2. an accommodating chamber; 3. a scrap chamber; 4. an eraser; 41. a cavity; 5. an adjustment mechanism; 51. a bearing housing; 52. a screw; 53. rotating the block; 54. a thread block; 55. fixing the rod; 6. a baffle plate; 7. a sealing plug; 8. an exhaust mechanism; 81. an exhaust chamber; 82. a one-way air inlet member; 83. an air inlet; 84. a one-way air outlet member; 85. an air outlet; 86. a partition plate; 87. a piston; 88. a connecting rod; 89. a protective net; 801. connecting sleeves; 802. an air inlet groove; 803. an air outlet groove; 804. a movable plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 and 2, remove bits formula eraser, including box body 1, the inside parallel arrangement of box body 1 holds chamber 2 and sweeps chamber 3, the inside of holding chamber 2 has placed eraser 4, the one end of eraser 4 is located hold the 2 outsides in chamber, the eraser 4 other end with it can adjust the adjustment mechanism 5 of eraser 4 displacement to hold to be provided with between the chamber 2, the bottom symmetry in sweeps chamber 3 is provided with baffle 6, baffle 6 with through damping hinge connection between the box body 1, 3 tops in sweeps chamber are filled with sealing plug 7, box body 1 deviates from one side of holding chamber 2 is provided with the exhaust mechanism 8 that can discharge sweeps chamber 3 air.

The box body 1 is composed of two large and small rectangular boxes, the containing cavity 2 and the scrap cavity 3 are arranged in a non-communicated mode, the eraser 4 is in contact with the inner wall of the containing cavity 2, the adjusting mechanism 5 is used for adjusting the displacement of the eraser 4, the eraser 4 is conveniently pushed out of the containing cavity 2, and therefore the eraser 4 is convenient to use.

3 bottoms in sweeps chamber communicate with each other with the external world, the quantity of baffle 6 is two, the symmetry sets up, 6 bottoms in baffle and sweeps chamber 3 pass through damping hinge connection, 6 tops of two baffles contact, baffle 6 can shelter from 3 bottoms in sweeps chamber under the initial condition, when exhaust mechanism 8 exhausts operation to sweeps chamber 3, 3 insides in sweeps chamber are in the negative pressure state, baffle 6 can be opened, the piece is inhaled in sweeps chamber 3, 3 tops in sweeps chamber open porosely, sealing plug 7 seals the hole, take off sealing plug 7, can discharge the sweeps from 3 insides in sweeps chamber, exhaust mechanism 8 can discharge the air in sweeps chamber 3, make 3 insides in sweeps chamber be in the negative pressure state.

As shown in fig. 3, the exhaust mechanism 8 includes an exhaust cavity 81, a unidirectional air inlet 82, an air inlet 83, a unidirectional air outlet 84, an air outlet 85, a partition plate 86, a piston 87 and a connecting rod 88, the exhaust cavity 81 is disposed on one side of the box body 1 departing from the accommodating cavity 2, the air inlet 83 is disposed between the top end of the exhaust cavity 81 and the waste chip cavity 3, the air outlet 85 is disposed on one side of the exhaust cavity 81 departing from the air inlet 83, the unidirectional air inlet 82 is disposed at the air inlet 83, the unidirectional air outlet 84 is disposed at the air outlet 85, the movable piston 87 is disposed in the exhaust cavity 81, the partition plate 86 is disposed between the piston 87 and the unidirectional air inlet 82 and the unidirectional air outlet 84, the partition plate 86 is fixed on the inner wall of the exhaust cavity 81, and the piston 87 is fixedly connected to the connecting rod 88.

The space inside the exhaust cavity 81 is smaller than that of the waste chip cavity 3, the air inlet hole 83 and the air outlet hole 85 are in the same horizontal state, the air inlet hole 83 can enable the waste chip cavity 3 and the exhaust cavity 81 to be in a communicated state, the air inside the exhaust cavity 81 can be exhausted from the air outlet hole 85, the one-way air inlet part 82 is located at the air inlet hole 83, the one-way air outlet part 84 is located at the air outlet hole 85, the one-way air inlet part 82 can enable the air inside the waste chip cavity 3 to enter the exhaust cavity 81, but the air inside the exhaust cavity 81 cannot enter the waste chip cavity 3, the air inside the exhaust cavity 81 can only be exhausted from the one-way air outlet part 84 and the air outlet hole 85, the one-way air inlet part 82, the one-way air outlet part 84 and the piston 87 can be separated by the partition plate 86, the hole is formed in the middle of the partition plate 86 for ventilation, the cross section of the connecting rod 88 is of a T shape, one end of the connecting rod 88 is connected with the piston 87, the other end of the box body is located outside the box body 1, the connecting rod 88 drives the piston 87 to reciprocate, thereby performing the exhausting operation of the scrap chamber 3.

As shown in fig. 4, each of the unidirectional air inlet 82 and the unidirectional air outlet 84 includes a connecting sleeve 801, an air inlet groove 802, an air outlet groove 803, and a movable plate 804, the air inlet groove 802 is disposed at one end of the connecting sleeve 801, the air outlet groove 803 is disposed at the other end of the connecting sleeve 801, the air inlet groove 802 and the air outlet groove 803 are communicated with each other, the radial length of the air inlet groove 802 is smaller than the radial length of the air outlet groove 803, the movable plate 804 is disposed at one end of the air outlet groove 803 close to the air inlet groove 802, the movable plate 804 is connected with the air outlet groove 803 through a damping hinge, the air inlet end of the unidirectional air inlet 82 is communicated with the air inlet 83, and the air outlet end of the unidirectional air outlet 84 is communicated with the air outlet 85.

The diameter of the air inlet groove 802 is smaller than that of the air outlet groove 803, one end of the movable plate 804 is connected with the air outlet groove 803 through a damping hinge to block the air inlet groove 802 and the air outlet groove 803, the movable plate 804 can be rotated under the action of pressure difference, the air inlet hole 83 is located at the air inlet groove 802 of the one-way air inlet piece 82, the air outlet hole 85 is located at the air outlet groove 803 of the one-way air outlet piece 84, and the cooperation of the one-way air inlet piece 82 and the one-way air outlet piece 84 can enable the air in the waste chip cavity 3 to enter the exhaust cavity 81 and be exhausted from the exhaust cavity 81.

As shown in fig. 2, a protective net 89 for blocking the scraps is disposed in the scrap chamber 3 near the air inlet 83.

The protection net 89 is located the inlet port 83, and the protection net 89 can shelter from the inlet port 83, avoids the inside piece in sweeps chamber 3 to enter into the inlet port 83, protects the inlet port 83.

As shown in fig. 2, the adjusting mechanism 5 includes a bearing sleeve 51, a screw 52, a rotating block 53, a thread block 54 and a fixing rod 55, the bearing sleeve 51 is disposed at the top of the accommodating cavity 2, the screw 52 is connected to the inner wall of the bearing sleeve 51, one end of the screw 52 is located outside the box body 1 and is fixedly connected to the rotating block 53, the thread block 54 is connected to the outer surface of one end of the screw 52 located inside the accommodating cavity 2 through a thread, the fixing rod 55 is fixedly disposed on the surface of the thread block 54, and the fixing rod 55 is embedded inside the eraser 4.

The bearing sleeve 51 is positioned at the top of the accommodating cavity 2, the screw 52 is fixed on the inner wall of the bearing sleeve 51, the rotating block 53 is fixedly connected with the screw 52, the thread block 54 is arranged in an internal thread mode, the thread block 54 is in threaded connection with the screw 52, the outer wall of the thread block 54 is in contact with the inner wall of the accommodating cavity 2, the fixing rod 55 is embedded into the eraser 4, the eraser 4 and the thread block 54 can move linearly together, and the rotation of the screw 52 can enable the thread block 54 to move linearly to push the eraser 4.

As shown in FIG. 2, a cavity 41 for accommodating the screw 52 is formed at one end of the eraser 4 facing the screw block 54.

The cavity 41 is used for accommodating the screw 52, so that the eraser 4 does not influence the rotation of the screw 52, and the linear movement of the eraser 4 and the rotation of the screw 52 do not interfere with each other.

The working principle is as follows: the rotating block 53 can be rotated, the screw rod 52 is rotated to drive the thread block 54 to move linearly, the thread block 54 pushes the eraser 4 to enable the end of the eraser 4 to move to the outer side of the box body 1, the eraser 4 can be used continuously conveniently, when scraps are produced, the piston 87 can move back and forth through the connecting rod 88, when the piston 87 moves downwards, air in the scrap cavity 3 enters the exhaust cavity 81, the inner part of the scrap cavity 3 is in a negative pressure state, the baffle 6 is in an open state, the scraps can enter the scrap cavity 3, when the piston 87 moves upwards, the air is discharged out of the box body 1, the piston 87 moves back and forth to remove the scraps, after all the scraps enter the scrap cavity 3, the purpose of cleaning the scraps is achieved, the sealing plug 7 can be taken down, the scraps in the scrap cavity 3 are discharged out of the scrap cavity 3, and the scrap cavity 3 is cleaned.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The scrap-removing type eraser is characterized in that: including box body (1), the inside parallel arrangement of box body (1) holds chamber (2) and sweeps chamber (3), rubber (4) have been placed to the inside that holds chamber (2), the one end of rubber (4) is located hold chamber (2) the outside, the other end with hold and be provided with adjustment mechanism (5) that can adjust rubber (4) displacement between chamber (2), the bottom symmetry in sweeps chamber (3) is provided with baffle (6), baffle (6) with through damping hinge connection between box body (1), sweeps chamber (3) top is filled with sealing plug (7), box body (1) deviates from the one side that holds chamber (2) is provided with exhaust mechanism (8) that can discharge sweeps chamber (3) air.

2. A crumb-removing eraser as claimed in claim 1, wherein: the exhaust mechanism (8) comprises an exhaust cavity (81), a one-way air inlet piece (82), an air inlet hole (83), a one-way air outlet piece (84), an air outlet hole (85), a partition plate (86), a piston (87) and a connecting rod (88), wherein the exhaust cavity (81) is arranged on one side of the box body (1) departing from the accommodating cavity (2), the air inlet hole (83) is formed between the top end of the exhaust cavity (81) and the waste chip cavity (3), the air outlet hole (85) is formed on one side of the exhaust cavity (81) departing from the air inlet hole (83), the one-way air inlet piece (82) is arranged at the air inlet hole (83), the one-way air outlet piece (84) is arranged at the air outlet hole (85), the movable piston (87) is arranged in the exhaust cavity (81), and the partition plate (86) is arranged between the piston (87) and the one-way air inlet piece (82) and the one-way air outlet piece (84), the partition plate (86) is fixed on the inner wall of the exhaust cavity (81), and the piston (87) is fixedly connected with the connecting rod (88).

3. A crumb-removing eraser as claimed in claim 2, wherein: unidirectional air inlet piece (82) with unidirectional air outlet piece (84) all includes adapter sleeve (801), air inlet tank (802), goes out air duct (803) and fly leaf (804), the one end of adapter sleeve (801) is provided with air inlet tank (802), and the other end is provided with air outlet tank (803), air inlet tank (802) with air outlet tank (803) communicate with each other and set up, the radial length of air inlet tank (802) is less than the radial length of air outlet tank (803), air outlet tank (803) lean on to the one end of air inlet tank (802) is equipped with fly leaf (804), fly leaf (804) with air outlet tank (803) pass through damping hinge connection, unidirectional air inlet piece (82) inlet end with air inlet hole (83) communicate with each other and set up, unidirectional air outlet piece (84) give vent to anger the end with air outlet hole (85) communicate with each other and set up.

4. A crumb-removing eraser as claimed in claim 2, wherein: and a protective net (89) for blocking the scraps is arranged at the position of the scrap cavity (3) close to the air inlet (83).

5. A crumb-removing eraser as claimed in claim 1, wherein: adjustment mechanism (5) are including bearing housing (51), screw rod (52), rotatory piece (53), screw block (54) and dead lever (55), the top that holds chamber (2) is provided with bearing housing (51), the inner wall connection of bearing housing (51) has screw rod (52), the one end of screw rod (52) is located the box body (1) outside and with rotatory piece (53) fixed connection, screw rod (52) are located hold chamber (2) inside one end surface threaded connection has screw block (54), the fixed surface of screw block (54) is provided with dead lever (55), dead lever (55) embedding inside eraser (4).

6. A crumb-removing eraser according to claim 5, wherein: one end of the eraser (4) facing the thread block (54) is provided with a cavity (41) for accommodating the screw rod (52).