CN220204314U - Combined screw structure with waterproof structure - Google Patents

Abstract

The utility model discloses a combined screw structure with a waterproof structure, which comprises a screw structure body, wherein a waterproof layer is arranged, a certain waterproof effect is achieved, the surface of a combined screw is prevented from rusting, the service life of the combined screw is prolonged, a photovoltaic inverter is prevented from loosening due to the rusting of the screw, decorative patterns are printed on the outer surface of the upper end of a screw cap body, the decorative patterns are of petal-shaped structures, the attractive appearance is strong, the effect of the decoration of the photovoltaic inverter is improved, the interest of customers in purchase is attracted, a rubber sealing gasket is arranged at the joint of a polished rod part and a screw cap, the tightness of the screw and a mounting part is improved, the waterproof effect is achieved, the water vapor in the air is reduced, the screw can be immersed into threads through a connecting gap, the service life of the screw is further prolonged, the anti-skid structure is arranged, the screw can be contacted and attached with the mounting part, the elasticity of the anti-skid layer can be ensured, and the deformation after the compression stress is avoided.

Description

Combined screw structure with waterproof structure

Technical Field

The utility model relates to the technical field of combination screws, in particular to a combination screw structure with a waterproof structure.

Background

The primary function of the screw is to engage two objects, or to fix the position of an object, and the screw is typically removed or re-tightened at will without compromising its efficiency. The photovoltaic inverter can convert variable direct current voltage generated by a Photovoltaic (PV) solar panel into Alternating Current (AC) with mains frequency, and can be fed back to a commercial power transmission system or used for an off-grid power grid. Screws are needed for installation and combination of the photovoltaic inverter, however, the existing combined screws for the photovoltaic inverter are poor in waterproof performance, water vapor in air can be immersed into threads through eccentric connecting gaps in the long-time fixing process, the surfaces of the screws are rusted, the service lives of the screws are shortened, the photovoltaic inverter is loose, and then the using effect of the photovoltaic inverter is reduced.

Aiming at the problems, in order to increase the waterproof performance of the screw and prolong the service life of the screw, the utility model provides a combined screw structure with a waterproof structure.

Disclosure of Invention

The utility model aims to provide a combined screw structure with a waterproof structure, which has the advantages of strong waterproof property and long service life and solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination screw structure with waterproof construction, includes screw structure body, screw structure body includes screw rod portion, polished rod portion, sharp end thread head, nut, thread, nut lid body, cross nut groove, rubber seal pad and anti-skidding structure, the surface of screw rod portion is provided with a plurality of threads, the lower extreme of screw rod portion is connected with sharp end thread head, the upper end of screw rod portion is connected with polished rod portion, the upper end of polished rod portion is connected with the nut, the nut lid body is installed to the top of nut, the top surface of nut is provided with cross nut groove.

Further, the screw rod part, the polish rod part and the tip threaded head are of a welded integrated structure.

Further, waterproof layers are arranged on the outer walls of the screw rod part, the polish rod part and the tip threaded head.

Further, friction lines are arranged on the periphery of the outer wall of the nut.

Further, the outer surface of the upper end of the screw cap body is printed with a decorative pattern, and the decorative pattern is of a petal-shaped structure.

Further, a rubber sealing gasket is arranged at the joint of the polish rod part and the screw cap.

Further, the anti-slip structure is arranged at two side ends of the rubber sealing pad, the anti-slip structure comprises a supporting plate, a sponge pad, an elastic layer and an anti-slip layer, the lower end of the supporting plate is connected with the sponge pad, the lower end of the sponge pad is connected with the elastic layer, and the lower end of the elastic layer is connected with the anti-slip layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the combined screw structure with the waterproof structure, the waterproof layers are arranged on the outer walls of the screw rod, the polished rod part and the tip threaded head, so that a certain waterproof effect is achieved, the surface of the combined screw is prevented from rusting, the service life of the combined screw is prolonged, and the photovoltaic inverter is prevented from loosening due to the rusting of the screw;

2. according to the combined screw structure with the waterproof structure, the decorative patterns are printed on the outer surface of the upper end of the screw cap body, and the decorative patterns are of petal-shaped structures, so that the combined screw structure is strong in aesthetic property, has the effect of adding the decoration to the photovoltaic inverter, and attracts the interest of customers for purchase;

3. according to the combined screw structure with the waterproof structure, the rubber sealing gasket is arranged at the joint of the polish rod part and the screw cap, so that the tightness of the screw and the mounting part is improved, the waterproof effect can be achieved, the situation that water vapor in air can be immersed into threads through a connecting gap is reduced, and the service life of the screw is further prolonged;

4. according to the combined screw structure with the waterproof structure, due to the arrangement of the anti-skid structure, the screws can be contacted and attached with the mounting parts, so that an anti-skid effect is achieved, the elasticity of the anti-skid layer can be ensured through the elastic layer, and the situation that deformation occurs after pressing stress is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the outer structure of the cover of the present utility model;

FIG. 3 is a schematic top view of a nut of the present utility model;

FIG. 4 is a schematic view of a partial structure of the present utility model;

fig. 5 is an enlarged schematic view of fig. 1 at a in accordance with the present utility model.

In the figure: 1. a screw structure body; 11. a screw portion; 111. a waterproof layer; 12. a polish rod part; 13. a pointed thread head; 14. a screw cap; 141. rubbing lines; 15. screw threads; 16. a screw cap body; 161. a decorative pattern; 17. cross nut grooves; 18. a rubber gasket; 19. an anti-slip structure; 191. a support plate; 192. a sponge cushion; 193. an elastic layer; 194. an anti-slip layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a combined screw structure with a waterproof structure comprises a screw structure body 1, wherein the screw structure body 1 comprises a screw rod part 11, a polish rod part 12, a tip thread head 13, a nut 14, threads 15, a screw cap body 16, a cross nut groove 17, a rubber sealing gasket 18 and an anti-slip structure 19, the outer surface of the screw rod part 11 is provided with a plurality of threads 15, the lower end of the screw rod part 11 is connected with the tip thread head 13, the upper end of the screw rod part 11 is connected with the polish rod part 12, the screw rod part 11, the polish rod part 12 and the tip thread head 13 are of a welded structure, waterproof layers 111 are arranged on the outer walls of the screw rod part 11, the polish rod part 12 and the tip thread head 13, a certain waterproof effect is achieved, surface rust of the combined screw is avoided, the service life of the combined screw is prolonged, looseness caused by rust on the screw rod due to the screw is avoided, the upper end of the polish rod part 12 is connected with the nut 14, friction lines 141 are arranged on the periphery of the outer wall of the screw cap 14, a screw cap body 16 is arranged above the screw cap 14, decorative patterns 161 are printed on the outer surface of the upper end of the screw cap body 16, the decorative patterns 161 are of petal-shaped structures, the attractive appearance is strong, the effect of the decoration is added for the photovoltaic inverter, the interest of customers in purchasing is attracted, a cross screw cap groove 17 is arranged on the outer surface of the top end of the screw cap 14, a rubber sealing gasket 18 is arranged at the joint of the polished rod portion 12 and the screw cap 14, the tightness of a screw and an installation part is improved, the waterproof effect can be achieved, water vapor in the air is reduced, the water vapor in the air can be immersed into threads through a connecting gap, the service life of the screw is further prolonged, the anti-skid structures 19 are arranged at two side ends of the rubber sealing gasket 18, each anti-skid structure 19 comprises a supporting plate 191, a sponge cushion 192, an elastic layer 193 and an anti-skid layer 194, the lower end of the supporting plate 191 is connected with a sponge cushion 192, the lower extreme of foam-rubber cushion 192 is connected with elastic layer 193, and the lower extreme of elastic layer 193 is connected with skid-proof layer 194, and skid-proof structure 19's setting makes contact laminating between screw and the installation part, plays skid-proof effect, can guarantee the elasticity of skid-proof layer 194 self through elastic layer 193, avoids pressing the condition emergence of deformation appearing after the atress.

To sum up: the waterproof layer 111 is arranged on the outer walls of the screw structure body 1, the screw rod part 11, the polish rod part 12 and the tip threaded head 13, a certain waterproof effect is achieved, the surface of the combined screw is prevented from rusting, the service life of the combined screw is prolonged, the photovoltaic inverter is prevented from loosening due to rusting of the screw, the decorative pattern 161 is printed on the outer surface of the upper end of the screw cap body 16, the decorative pattern 161 is of a petal-shaped structure, the attractive appearance is strong, the effect of stippling the photovoltaic inverter is achieved, the interest of customers is attracted, the rubber sealing gasket 18 is arranged at the joint of the polish rod part 12 and the screw cap 14, the sealing performance of the screw and the mounting part is improved, the waterproof effect is achieved, the water vapor in the air is reduced, the service life of the screw is further prolonged, the anti-skid structure 19 is arranged, the screw and the mounting part can be contacted and attached, the anti-skid effect is achieved, the elasticity of the anti-skid layer 194 can be ensured through the elastic layer 193, and the deformation after the pressing force is applied.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a combination screw structure with waterproof construction, includes screw structure body (1), its characterized in that: screw structure body (1) include screw rod portion (11), polished rod portion (12), pointed end thread head (13), nut (14), thread (15), nut lid body (16), cross nut groove (17), rubber seal pad (18) and antiskid structure (19), the surface of screw rod portion (11) is provided with a plurality of threads (15), the lower extreme of screw rod portion (11) is connected with pointed end thread head (13), the upper end of screw rod portion (11) is connected with polished rod portion (12), the upper end of polished rod portion (12) is connected with nut (14), nut lid body (16) are installed to the top of nut (14), the top surface of nut (14) is provided with cross nut groove (17).

2. A combination screw structure having a waterproof structure as claimed in claim 1, wherein: the screw rod part (11), the polish rod part (12) and the tip threaded head (13) are of a welded integrated structure.

3. A combination screw structure having a waterproof structure as claimed in claim 1, wherein: waterproof layers (111) are arranged on the outer walls of the screw rod part (11), the polished rod part (12) and the tip threaded head (13).

4. A combination screw structure having a waterproof structure as claimed in claim 1, wherein: friction lines (141) are arranged on the periphery of the outer wall of the nut (14).

5. A combination screw structure having a waterproof structure as claimed in claim 1, wherein: a rubber sealing gasket (18) is arranged at the joint of the polish rod part (12) and the screw cap (14).

6. A combination screw structure having a waterproof structure as claimed in claim 1, wherein: the anti-slip structure (19) is arranged at two side ends of the rubber sealing gasket (18), the anti-slip structure (19) comprises a supporting plate (191), a sponge gasket (192), an elastic layer (193) and an anti-slip layer (194), the lower end of the supporting plate (191) is connected with the sponge gasket (192), the lower end of the sponge gasket (192) is connected with the elastic layer (193), and the lower end of the elastic layer (193) is connected with the anti-slip layer (194).