Character wheel box cover plate with rubber plugs

Abstract

The utility model relates to a character wheel box cover plate with a rubber plug. A through small hole is formed in the middle of the character wheel box cover plate. A convex block is arranged on the character wheel box cover plate; a water inlet groove is formed in the position, located at the small hole, of the convex block; the small hole is formed in the central position of the water inlet groove; a fixing groove is formed in the portion, above the water inlet groove, of the protruding block. The fixing grooves are welded to the protruding blocks. A rubber plug is arranged in the fixing groove; a hemispherical surface is arranged at the top of the rubber plug; the semi-spherical surface is propped against the small hole; the character wheel box cover plate is fixed at the bottom of the linear character wheel box body; a positioning piece is sleeved on the rubber plug; the positioning piece is provided with positioning protrusions and water inlet grooves which are evenly and alternately arranged and distributed. Compared with the prior art, the utility model has the advantages of convenient irrigation, water outflow prevention and the like.

Description

Technical Field

[0001] The utility model relates to a character wheel box cover plate, in particular to a character wheel box cover plate with a rubber plug. Background Art

[0002] During the production process of the water meter movement wheel box, water will be filled inside because if there is air, it will fog and affect the normal reading. However, since the movement is usually stored for a period of time before being put into use, as the temperature changes, the water in the wheel box will slowly be squeezed out of the wheel box, resulting in air inside the wheel box.

[0003] After being put on the intelligent assembly line, the movement needs to be vacuumed and filled with water. At this time, the air in the wheel box will expand due to the effect of air pressure, so the water in the wheel box will be squeezed out first. After the pressure is released, the air in the wheel box will not be discharged, and sometimes even more air will be discharged.

[0004] Therefore, how to design and implement a character wheel box cover that can be easily vacuumed and filled with water becomes a technical problem that needs to be solved. Utility Model Content

[0005] The purpose of the utility model is to provide a character wheel box cover with a rubber plug in order to overcome the defects of the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A character wheel box cover with a rubber plug, wherein a small hole is provided through the middle of the character wheel box cover; a protrusion is provided on the character wheel box cover; a water inlet groove is provided on the protrusion at the position of the small hole; the small hole is provided at the center of the water inlet groove; a fixing groove is provided above the water inlet groove on the protrusion; the fixing groove is welded to the protrusion; a rubber plug is provided in the fixing groove; a hemispherical surface is provided on the top of the rubber plug; the hemispherical surface is arranged against the small hole; the character wheel box cover is fixed to the bottom of a character wheel box body; a positioning piece is covered on the rubber plug; the positioning piece is provided with positioning protrusions and water inlet grooves that are evenly and alternately arranged.

[0008] Furthermore, a character wheel shaft is provided in the character wheel box body; one end of the character wheel shaft is mounted on the side wall of the character wheel box body, and the other end passes through the character wheel box body and is connected to a worm gear; a plurality of character wheels are provided on the character wheel shaft; each of the character wheels has the numbers 0 to 9 evenly arranged thereon.

[0009] Further, the word wheel box body is internally provided with a dial shaft; the dial shaft is arranged in the groove at both ends of the word wheel box body; a plurality of dials are arranged on the dial shaft; the total number of the dials is one less than that of the word wheels, and each dial is located between two word wheels and is in meshing connection with the word wheels.

[0010] Further, two abutting columns are arranged at both ends of the word wheel box cover plate; the abutting columns are abutted in the grooves at both ends of the word wheel box body when the word wheel box cover plate and the word wheel box body are fixed; the dial shaft is arranged above the abutting columns and is fixed by the abutting columns.

[0011] Compared with the prior art, the word wheel box has the following advantages:

[0012] The small hole and the rubber plug are arranged on the word wheel box cover plate, the top hemispherical surface of the rubber plug is abutted against the small hole, when water is filled and pressure is released by vacuumizing, the internal pressure of the word wheel box is lower than the external pressure, the water outside the word wheel box flows into the word wheel box through the small hole of the word wheel box cover plate, and the water flow presses the rubber plug inward to achieve the water filling effect; after the water filling and vacuumizing are completed, when the internal and external pressures are balanced, the rubber plug blocks the small hole, and the water in the word wheel box does not flow out to achieve the water filling purpose. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A word wheel box cover plate front surface structure schematic view is provided for the utility model;

[0014] Figure 2 A word wheel box cover plate back surface structure schematic view is provided for the utility model;

[0015] Figure 3 A rubber plug structure schematic view is provided for the utility model;

[0016] Figure 4 A positioning member structure schematic view is provided for the utility model;

[0017] Figure 5 A word wheel box cover plate local section schematic view is provided for the utility model.

[0018] Figure 6 A word wheel and dial structure schematic view is provided for the utility model;

[0019] Figure 7 A word wheel box body internal structure schematic view is provided for the utility model.

[0020] The numbers in the drawing represent:

[0021] 1, small hole; 2, protrusion; 3, water inlet groove; 4, fixed groove; 5, rubber plug; 6, hemispherical surface; 7, dial box; 8, dial shaft; 9, worm gear; 10, dial; 11, dial shaft; 12, groove; 13, dial; 14, abutment; 15, positioning member; 16, positioning protrusion; 17, water inlet groove. DETAILED DESCRIPTION

[0022] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] It should be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] Furthermore, the terms "horizontal," "vertical," and the like are used as terms of convenience to reference the orientation of components, and are not intended to require absolute horizontal or vertical orientations, but can be slightly inclined.

[0028] Embodiment

[0029] As Figures 1-5 The rubber plug of the character wheel box cover plate is provided with a through hole 1 in the middle position, and a protrusion 2 is arranged on the character wheel box cover plate, and a water inlet groove 3 is arranged at the through hole 1 of the protrusion 2, so that external water flows into the character wheel box through the through hole 1, and the through hole 1 is arranged at the center position of the water inlet groove 3 to facilitate the water flow, and a fixing groove 4 is arranged above the water inlet groove 3 of the protrusion 2, and the fixing groove 4 is welded on the protrusion 2, and a rubber plug 5 is arranged in the fixing groove 4, and a hemispherical surface 6 is arranged at the top of the rubber plug 5, and the hemispherical surface 6 abuts against the through hole 1, and the character wheel box cover plate is fixed at the bottom of a character wheel box body 7, and a positioning member 15 is sleeved on the rubber plug 5, and positioning protrusions 16 and water inlet grooves 17 are uniformly and alternately arranged on the positioning member 15, the positioning protrusions 16 are used for positioning, the water inlet grooves 17 are used for water flow, the positioning member 15 is sleeved below the hemispherical surface 6, and the hemispherical surface 6 is separated from the through hole 1.

[0030] As Figures 6-7 The character wheel box body 7 is provided with a character wheel shaft 8, one end of the character wheel shaft 8 is arranged on the side wall of the character wheel box body 7, the other end of the character wheel shaft 8 penetrates through the character wheel box body 7 and is connected with a worm wheel 9, a plurality of character wheels 10 are arranged on the character wheel shaft 8, each of the character wheels 10 is uniformly provided with numbers 0-9, and the interval angle between each number is 36 degrees, a dial shaft 11 is further arranged in the character wheel box body 7, the dial shaft 11 is arranged in the grooves 12 at both ends of the character wheel box body 7, a plurality of dials 13 are arranged on the dial shaft 11, the total number of the dials 13 is less than that of the character wheels 10 by one, each of the dials 13 is located between two character wheels 10 and is connected with the character wheels 10 in meshing mode, when the character wheels 10 rotate, the dials 13 meshed with the character wheels 10 also rotate, and under the cooperation of the dials 13, the next level character wheel 10 rotates by 36 degrees when the previous level character wheel 10 rotates by one circle, two abutting columns 14 are arranged at both ends of the character wheel box cover plate, the abutting columns 14 are arranged in the grooves 12 at both ends of the character wheel box body 7 when the character wheel box cover plate and the character wheel box body 7 are fixed, and the dial shaft 11 is arranged above the abutting columns 14 and is limited and fixed by the abutting columns 14.

[0031] The working principle of the utility model is as follows:

[0032] When pumping water, the water outside the type wheel box 7 flows into the small hole 1 in the middle of the type wheel box cover plate, and because the pressure inside the type wheel box 7 is lower than the outside, the rubber plug 5 is pressed inward, at this time the hemispherical surface 6 of the rubber plug 5 no longer blocks the small hole 1, and the water flows from the water inlet groove 17, flows through the water inlet groove 3, and then flows into the type wheel box 7, so as to achieve the effect of pumping water. After pumping water, when the internal and external pressures are balanced, the hemispherical surface 6 of the rubber plug 5 blocks the small hole 1 again, and the water inside the type wheel 7 cannot flow out, so as to achieve the effect of preventing water from flowing out.

[0033] The above describes preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A character wheel box cover with a rubber plug, characterized in that: A small hole (1) is provided in the middle of the character wheel box cover; a convex block (2) is provided on the character wheel box cover; a water inlet groove (3) is provided on the convex block (2) at the small hole (1); the small hole (1) is provided at the center of the water inlet groove (3); a fixing groove (4) is provided on the convex block (2) above the water inlet groove (3); the fixing groove (4) is welded to the convex block (2); a rubber plug (5) is provided in the fixing groove (4); a hemispherical surface (6) is provided on the top of the rubber plug (5); the hemispherical surface (6) is arranged against the small hole (1); the character wheel box cover is fixed to the bottom of a character wheel box body (7); a positioning piece (15) is sleeved on the rubber plug (5); the positioning piece (15) is provided with positioning protrusions (16) and water inlet grooves (17) that are evenly and alternately arranged.

2. The character wheel box cover with a rubber plug according to claim 1, characterized in that: A character wheel shaft (8) is arranged in the character wheel box body (7); one end of the character wheel shaft (8) is mounted on the side wall of the character wheel box body (7), and the other end passes through the character wheel box body (7) and is connected to a worm gear (9); a plurality of character wheels (10) are arranged on the character wheel shaft (8); each of the character wheels (10) has a character wheel with numbers 0 to 9 evenly arranged thereon.

3. The character wheel box cover with a rubber plug according to claim 2, characterized in that: A dial shaft (11) is further provided in the character wheel box body (7); the dial shaft (11) is mounted in the grooves (12) at both ends of the character wheel box body (7); a plurality of dial wheels (13) are provided on the dial shaft (11); the total number of the dial wheels (13) is one less than the character wheels (10), and each dial wheel (13) is located between the two character wheels (10) and is meshed with the character wheels (10).

4. The character wheel box cover with a rubber plug according to claim 3, characterized in that: Two abutting columns (14) are provided at both ends of the character wheel box cover; when the character wheel box cover and the character wheel box body (7) are fixed, the abutting columns (14) abut against the grooves (12) at both ends of the character wheel box body (7); the dial wheel shaft (11) is provided above the abutting columns (14) and is limited and fixed by the abutting columns (14).

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