Foaming positioning plug for water heater

Abstract

The utility model relates to the technical field of water heaters, in particular to a foaming positioning plug for a water heater, which comprises a plastic plug sleeve, the inner side of the plastic plug sleeve is sleeved with a connecting sleeve, the surface of the connecting sleeve is fixedly connected with a positioning plug, the surface of the connecting sleeve is connected with a round bottom piece in an abutting mode, and the surface of the round bottom piece is connected with a handle in an abutting mode. The surface of the handle is movably connected with a lead screw shaft, and the outer surface of the lead screw shaft is sleeved with a spring. The solar water heater is lighter and more flexible to use and light in weight, the hinge folding expansion principle is used for replacing the rubber expansion principle, the strength is uniform and stable, sealing is tight, materials are not leaked, folding is easy, an outer container and an inner container of a solar water heater can be firmly fixed together, and the inner container and the outer container can be taken out and separated at any time after operation is completed. The solar water heater is flexible in folding, free in loosening and tightening, time-saving and labor-saving in use, resistant to falling, long in service life and capable of improving operation safety and efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a foaming positioning plug for a water heater. Background Art

[0002] During the production process of the solar water heater insulation barrel, the solar inner and outer tanks need to be fixed in place during installation. The positioning plug is used to fix the position of the inner and outer tanks.

[0003] The positioning plug products on the market all utilize the principle of rubber expansion. They are too bulky, and the unstable factors of rubber are too great. For example, they expand and contract due to heat, are too soft in summer, too hard in winter, are too hard or too soft when the handles are folded, and have different forces when expanding and fixing. They are extremely unstable, not tightly sealed, prone to leakage, and difficult to fold. They are time-consuming and labor-intensive to use, and have the disadvantages of being easy to rot, having a short service life, and being costly. Utility Model Content

[0004] The utility model aims to provide a foaming positioning plug for a water heater, so as to solve the problems proposed in the above-mentioned background technology that the force during expansion and fixing is different, it is extremely unstable, the sealing is not tight, it is easy to leak, it is difficult to fold, it is time-consuming and labor-intensive to use, it is easy to rot, it has a short service life and high cost.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foam positioning plug for a water heater, comprising a plastic plug sleeve, a connecting sleeve is sleeved on the inner side of the plastic plug sleeve, a positioning plug is fixedly connected to the surface of the connecting sleeve, a round bottom plate is abutted on the surface of the connecting sleeve, a handle is abutted on the surface of the round bottom plate, a screw shaft is movably connected to the surface of the handle, a spring is sleeved on the outer surface of the screw shaft, a connecting disk is fixedly connected to the bottom end of the screw shaft, a lower hinge connecting piece is movably connected to the surface of the connecting disk, an upper hinge connecting piece is movably connected to the surface of the lower hinge connecting piece, a screw barrel is fixedly connected to the inner side of the connecting sleeve, and a screw is threadedly connected to the inner side of the screw barrel.

[0006] Preferably, the cross-section of the plastic plug sleeve is in a "T" shape, and the plastic plug sleeve is in a cylindrical shape and is sleeved on the outer surface of the connecting sleeve.

[0007] Preferably, the bottom end surface of the positioning plug is inclined, the round bottom plate is disc-shaped, and the screw shaft is elastically slidably connected via a spring and a connecting sleeve.

[0008] Preferably, the handle is composed of two parts, one part of the handle is in the shape of a circular ring sheet, and the other part of the handle is in the shape of a block, and the surface where the block-shaped handle contacts the circular bottom sheet is in the shape of an arc.

[0009] Preferably, the lower connecting pieces of the hinge are in three groups and act on the surface of the connecting disk, the surface of the connecting disk is fixedly connected with a connecting block, and the lower connecting pieces of the hinge are rotatably connected to the connecting block.

[0010] Preferably, the upper hinge connecting piece and the lower hinge connecting piece are rotatably connected, the upper hinge connecting piece and the positioning plug are rotatably connected, and both ends of the spring are connected to the inner side of the positioning plug and the surface of the connecting disk.

[0011] Preferably, the screw barrels are evenly distributed on the inner wall of the connecting sleeve in four groups, the screw rods penetrate the round bottom plate and are threadedly connected to the screw barrels, and the screw rods and the screw barrels are correspondingly connected.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The positioning plug is lighter and more flexible to use. It is lightweight and uses the hinge folding and expansion principle instead of the rubber expansion principle to achieve uniform and stable force, tight sealing without leakage, and easy folding. It can firmly fix the outer and inner tanks of the solar energy together. After the operation is completed, it can be taken out at any time, separated from the inner and outer tanks, and the connection work of the inner and outer tanks of the solar energy can be repeated. It is flexible to fold and can be tightened and loosened freely. It saves time and labor to use, is drop-resistant, has a long service life, and improves the safety and efficiency of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a partial exploded schematic diagram of the structure of the utility model in a frontal perspective cutaway view;

[0016] Figure 3 It is a structural stereoscopic diagram of the positioning plug of the utility model;

[0017] Figure 4 It is a three-dimensional exploded schematic diagram of the connection structure of the connection sleeve and the round bottom plate of the utility model;

[0018] Figure 5 It is a structural dynamic stereoscopic schematic diagram of the utility model.

[0019] In the figure: 1. Plastic plug sleeve; 2. Positioning plug; 3. Round bottom plate; 4. Handle; 5. Spring; 6. Connecting plate; 7. Hinge lower connecting plate; 8. Hinge upper connecting plate; 9. Screw shaft; 10. Connecting sleeve; 11. Screw barrel; 12. Screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , an embodiment provided by the utility model:

[0022] A foaming positioning plug for a water heater comprises a plastic plug sleeve 1, a connecting sleeve 10 is sleeved on the inner side of the plastic plug sleeve 1, a positioning plug 2 is fixedly connected to the surface of the connecting sleeve 10, a round bottom plate 3 is abutted and connected to the surface of the connecting sleeve 10, a handle 4 is abutted and connected to the surface of the round bottom plate 3, a screw shaft 9 is movably connected to the surface of the handle 4, a spring 5 is sleeved on the outer surface of the screw shaft 9, a connecting disk 6 is fixedly connected to the bottom end of the screw shaft 9, a lower hinge connecting piece 7 is movably connected to the surface of the connecting disk 6, an upper hinge connecting piece 8 is movably connected to the surface of the lower hinge connecting piece 7, a screw barrel 11 is fixedly connected to the inner side of the connecting sleeve 10, a screw 12 is threadedly connected to the inner side of the screw barrel 11, and the plastic plug sleeve 1 and the connecting sleeve 10 are connected, and the round bottom plate 3 and the handle 4 are abutted and connected, and the handle 4 is used to adjust the action position of the screw shaft 9, so as to achieve the control effect of the folding angle of the lower hinge connecting piece 7 and the upper hinge connecting piece 8.

[0023] Furthermore, the cross-section of the plastic plug sleeve 1 is in a "T" shape, and the plastic plug sleeve 1 is in a cylindrical shape and is sleeved on the outer surface of the connecting sleeve 10. Through the connection between the plastic plug sleeve 1 and the connecting sleeve 10, the protection and support effects of the connecting sleeve 10 are achieved.

[0024] Furthermore, the bottom end surface of the positioning plug 2 is inclined, the circular bottom plate 3 is disc-shaped, the screw shaft 9 is elastically slidably connected through the spring 5 and the connecting sleeve 10, and through the connection between the positioning plug 2 and the connecting sleeve 10, the circular bottom plate 3 and the connecting sleeve 10 are abutted and connected, which facilitates the support operation of the action position of the handle 4.

[0025] Furthermore, the handle 4 is composed of two parts, one part of the handle 4 is in the shape of a circular ring sheet, and the other part of the handle 4 is in the shape of a block, and the contact surface between the block-shaped handle 4 and the circular bottom plate 3 is in the shape of an arc. Through the rotational connection between the handle 4 and the screw shaft 9, and the connection between the screw shaft 9 and the spring 5, the elastic sliding effect of the screw shaft 9 in the connecting sleeve 10 is achieved.

[0026] Furthermore, the lower connecting piece 7 of the hinge is in three groups and acts on the surface of the connecting disk 6. A connecting block is fixedly connected to the surface of the connecting disk 6, and the lower connecting piece 7 of the hinge and the connecting block are rotatably connected. Through the connection between the connecting disk 6 and the screw shaft 9, under the rotatable connection between the connecting block on the connecting disk 6 and the lower connecting piece 7 of the hinge, the connection angle of the lower connecting piece 7 of the hinge and the upper connecting piece 8 of the hinge is adjusted.

[0027] Furthermore, the upper connecting piece 8 of the hinge and the lower connecting piece 7 of the hinge are rotatably connected, the upper connecting piece 8 of the hinge and the positioning plug 2 are rotatably connected, and the two ends of the spring 5 are connected to the inner side of the positioning plug 2 and the surface of the connecting disk 6. Through the rotatable connection between the lower connecting piece 7 and the upper connecting piece 8 of the hinge, the connection between the upper connecting piece 8 of the hinge and the positioning plug 2, and the connection between the lower connecting piece 7 of the hinge and the connecting disk 6, the supporting and limiting effect of the action position of the lower connecting piece 7 of the hinge and the upper connecting piece 8 of the hinge is achieved, which facilitates the positioning and supporting operation of the solar energy inner tank in the outer tank.

[0028] Furthermore, the screw barrel 11 is evenly distributed on the inner wall of the connecting sleeve 10 in four groups, and the screw 12 penetrates the round bottom film 3 and the screw barrel 11 for threaded connection. The screw 12 and the screw barrel 11 are correspondingly connected. Under the connection between the round bottom film 3 and the screw 12, through the connection between the screw 12 and the screw barrel 11, the supporting effect on the action position of the round bottom film 3 is achieved, and under the action of the round bottom film 3, the supporting effect on the action position of the handle 4 is achieved.

[0029] Working principle: When positioning the solar energy inner tank in the outer tank, insert the plastic plug sleeve 1, and connect the plastic plug sleeve 1 and the connecting sleeve 10 to facilitate the support of the positioning plug 2 in the solar energy inner tank. When the lower connecting piece 7 of the hinge and the upper connecting piece 8 of the hinge are inserted into the corresponding positions of the inner tank, turn the handle 4 to change the position of the handle 4 on the round bottom piece 3, thereby changing the action position of the screw shaft 9 in the connecting sleeve 10. Under the action of the spring 5, the screw shaft 9 slides elastically in the connecting sleeve 10. At this time, the angle between the lower connecting piece 7 of the hinge and the upper connecting piece 8 of the hinge is changed to achieve the support effect of the positioning plug 2 in the inner tank, thereby achieving the positioning support effect of the inner tank in the outer tank.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A foaming positioning plug for a water heater, comprising a plastic plug sleeve (1), characterized in that: The inner side of the plastic plug sleeve (1) is sleeved with a connecting sleeve (10), the surface of the connecting sleeve (10) is fixedly connected with a positioning plug (2), the surface of the connecting sleeve (10) is abutted with a round bottom plate (3), the surface of the round bottom plate (3) is abutted with a handle (4), the surface of the handle (4) is movably connected with a screw shaft (9), the outer surface of the screw shaft (9) is sleeved with a spring (5), the bottom end of the screw shaft (9) is fixedly connected with a connecting disk (6), the surface of the connecting disk (6) is movably connected with a hinge lower connecting plate (7), the surface of the hinge lower connecting plate (7) is movably connected with a hinge upper connecting plate (8), the inner side of the connecting sleeve (10) is fixedly connected with a screw barrel (11), and the inner side of the screw barrel (11) is threadedly connected with a screw (12).

2. A foaming positioning plug for a water heater according to claim 1, characterized in that: The cross section of the plastic plug sleeve (1) is in a "T" shape, and the plastic plug sleeve (1) is in a cylindrical shape and is sleeved on the outer surface of the connecting sleeve (10).

3. The foaming positioning plug for a water heater according to claim 1, characterized in that: The bottom end surface of the positioning plug (2) is inclined, the circular bottom plate (3) is in the shape of a circular disc, and the screw shaft (9) is elastically slidably connected via a spring (5) and a connecting sleeve (10).

4. The foaming positioning plug for a water heater according to claim 1, characterized in that: The handle (4) is composed of two parts, one part of the handle (4) is in the shape of a circular ring, and the other part of the handle (4) is in the shape of a block, and the surface where the block-shaped handle (4) contacts the circular bottom sheet (3) is in the shape of an arc.

5. The foaming positioning plug for a water heater according to claim 1, characterized in that: The hinge lower connecting pieces (7) are in three groups and act on the surface of the connecting disk (6). The surface of the connecting disk (6) is fixedly connected with a connecting block, and the hinge lower connecting pieces (7) and the connecting block are rotatably connected.

6. The foaming positioning plug for a water heater according to claim 1, characterized in that: The upper hinge connecting piece (8) and the lower hinge connecting piece (7) are rotatably connected, the upper hinge connecting piece (8) and the positioning plug (2) are rotatably connected, and the two ends of the spring (5) are connected to the inner side of the positioning plug (2) and the surface of the connecting plate (6).

7. The foaming positioning plug for a water heater according to claim 1, characterized in that: The screw barrels (11) are evenly distributed on the inner wall of the connecting sleeve (10) in four groups, the screw rods (12) penetrate the round bottom plate (3) and the screw barrels (11) for threaded connection, and the screw rods (12) and the screw barrels (11) are correspondingly connected.

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