Engineering machinery windshield wiper with easy-to-remove rubber strip

Abstract

The utility model relates to the technical field of windshield wipers, and in particular to an engineering machinery wiper blade that is easy to disassemble the rubber strip, including a support plate, a connecting seat fixedly connected at the middle of the top end of the support plate, a clamping groove penetrating the support plate from left to right is provided on the inner side of the support plate, a clamping block is clamped and connected on the inner side of the clamping groove, and a horizontally arranged wiper rubber strip is fixedly connected on the bottom end of the clamping block, a first symmetrically arranged positioning groove is provided on the top of the clamping block, and a second positioning groove penetrating the support plate from top to bottom and communicating with the clamping groove is provided on the inner side of the support plate. In the utility model, through the provision of the support plate, the connecting seat, the clamping groove, the clamping block, the wiper rubber strip, the first positioning groove, the second positioning groove, the slide plate, the positioning plate, the slide rod, the return spring and the fixing plate, the replacement of the wiper rubber strip can be made more convenient, and the replacement of the wiper rubber strip can be completed without the aid of a wrench or a screwdriver.

Description

Technical Field

[0001] The utility model relates to the technical field of windshield wipers, in particular to an engineering machinery windshield wiper with a rubber strip that is easy to disassemble. Background Art

[0002] A windshield wiper for construction machinery is a device used to remove rain or other stains from the windshield of construction machinery (such as excavators, cranes, bulldozers, etc.). It is usually composed of a motor, a connecting rod mechanism, a wiper blade and a rubber strip. Its working principle is similar to that of a car wiper. The function of a windshield wiper for construction machinery is to ensure that the driver can maintain a good line of sight even in bad weather, thereby improving the safety of the operation. Depending on the different models and needs, wipers can have different sizes and types, such as single-speed, dual-speed or multi-speed wipers.

[0003] Existing engineering machinery wipers are widely used, but when installing and removing the wiper rubber strips, a screwdriver or a wrench is needed for disassembly, which is troublesome. The replacement of the wiper rubber strips is inconvenient, and when it snows in winter, the rubber strips will harden and freeze when in contact with rain and snow, and the rain and stains on the glass cannot be wiped clean. Therefore, in order to solve the above problems, an engineering machinery wiper with easy removal of the rubber strips is proposed. Summary of the invention

[0004] The utility model aims to provide an engineering machinery windshield wiper with an easily disassembled rubber strip, so as to solve the problems inconvenient rubber strip disassembly and ice formation of the rubber strip in winter when it snows in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A windshield wiper for engineering machinery that is easy to remove a rubber strip, comprises a support plate, a connecting seat is fixedly connected to the middle of the top of the support plate, a clamping groove is provided on the inner side of the support plate, and a clamping block is clamped and connected to the inner side of the clamping groove, and a horizontally arranged wiper rubber strip is fixedly connected to the bottom end of the clamping block, and a first symmetrically arranged positioning groove is provided on the top of the clamping block, and a second symmetrically arranged positioning groove is provided on the inner side of the support plate, which penetrates the support plate from top to bottom and is connected to the clamping groove, and slide plates located at the top of the support plate are symmetrically arranged on both sides of the connecting seat, and the bottom end of the slide plate is fixedly connected to a symmetrically arranged positioning plate, a vertically arranged sliding rod that penetrates the slide plate is slidably connected to the inner side of the slide, a return spring is provided on the outer side of the slide rod, and the top of the slide rod is fixedly connected to the fixing plate, and a heating assembly is symmetrically arranged on the inner side of the support plate.

[0007] Preferably, the heating assembly includes mounting holes symmetrically arranged on both sides of the locking groove and penetrating the support plate from left to right, a horizontally arranged heating rod is provided on the inner side of the mounting hole, one end of the heating rod is fixedly connected to the heater, the end of the heating rod away from the heater is fixedly connected to a threaded block, and a threaded cover is spirally connected to the outer side of the threaded block.

[0008] Preferably, the mounting hole has the same length as the heating rod, the inner side of the mounting hole fits tightly with the outer side of the heating rod, and the side of the threaded cover close to the support plate fits tightly with the support plate.

[0009] Preferably, the first positioning groove and the second positioning groove are identical in shape and size, and the positioning plate is located inside the first positioning groove and the second positioning groove.

[0010] Preferably, the bottom end of the slide plate fits tightly with the top end of the support plate, the slide rod is fixedly connected to the top end of the support plate, the top end of the return spring is fixedly connected to the bottom end of the fixed plate, and the bottom end of the return spring is fixedly connected to the top end of the slide plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the support plate, the connecting seat, the engaging groove, the engaging block, the wiper rubber strip, the first positioning groove, the second positioning groove, the slide plate, the positioning plate, the slide bar, the return spring and the fixing plate are provided, so that the replacement of the wiper rubber strip is more convenient, and the replacement of the wiper rubber strip can be completed without the aid of a wrench or a screwdriver;

[0013] 2. In the utility model, by means of the heating assembly, mounting hole, heating rod, heater, threaded block and threaded cover, the wiper strip can be heated in rainy and icy weather to melt the ice and snow on the wiper strip, thereby preventing the wiper strip from hardening at low temperature and being unable to scrape off rain and stains on the glass. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the overall disassembled structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at point A.

[0017] In the figure: 1. support plate; 2. connecting seat; 3. snap-fit ​​groove; 4. snap-fit ​​block; 5. wiper rubber strip; 6. first positioning groove; 7. second positioning groove; 8. slide plate; 9. positioning plate; 10. slide rod; 11. return spring; 12. fixing plate; 13. heating assembly; 1301. mounting hole; 1302. heating rod; 1303. heater; 1304. threaded block; 1305. threaded cover. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A windshield wiper for engineering machinery with easy removal of rubber strips, comprises a support plate 1, a connecting seat 2 is fixedly connected to the middle of the top end of the support plate 1, a clamping groove 3 is provided on the inner side of the support plate 1 and passes through the support plate 1 from left to right, a clamping block 4 is clamped and connected to the inner side of the clamping groove 3, a horizontally arranged wiper rubber strip 5 is fixedly connected to the bottom end of the clamping block 4, a symmetrically arranged first positioning groove 6 is provided on the top of the clamping block 4, a second positioning groove 7 is provided on the inner side of the support plate 1 and passes through the support plate 1 from top to bottom and is connected to the clamping groove 3, slide plates 8 located at the top end of the support plate 1 are symmetrically arranged on both sides of the connecting seat 2, a symmetrically arranged positioning plate 9 is fixedly connected to the bottom end of the slide plate 8, a slide rod 10 which is vertically arranged and passes through the slide plate 8 is slidably connected to the inner side of the slide plate 8, a return spring 11 is provided on the outer side of the slide rod 10, a fixing plate 12 is fixedly connected to the top of the slide rod 10, and a heating assembly 13 is symmetrically arranged on the inner side of the support plate 1.

[0023] The heating assembly 13 includes mounting holes 1301 symmetrically arranged on both sides of the engaging groove 3 and penetrating the support plate 1 from left to right, a horizontally arranged heating rod 1302 is arranged inside the mounting hole 1301, one end of the heating rod 1302 is fixedly connected to a heater 1303, a threaded block 1304 is fixedly connected to the end of the heating rod 1302 away from the heater 1303, a threaded cover 1305 is spirally connected to the outer side of the threaded block 1304, and the design of the heating assembly 13 can melt the ice and snow on the surface of the wiper rubber strip 5 when it snows in winter, the mounting hole 1301 is the same length as the heating rod 1302, and the inner side of the mounting hole 1301 is connected to the outer side of the heating rod 1302. The side is tightly fitted, the side of the threaded cover 1305 close to the support plate 1 is tightly fitted with the support plate 1, the threaded cover 1305 and the threaded block 1304 can fix the heating rod 1302, the first positioning groove 6 and the second positioning groove 7 are the same in shape and size, the positioning plate 9 is located on the inner side of the first positioning groove 6 and the second positioning groove 7, the positioning plate 9 can limit the locking block 4, thereby fixing the wiper rubber strip 5, the bottom end of the slide plate 8 is tightly fitted with the top of the support plate 1, the slide bar 10 is fixedly connected to the top of the support plate 1, the top of the return spring 11 is fixedly connected to the bottom of the fixing plate 12, and the bottom of the return spring 11 is fixedly connected to the top of the slide plate 8.

[0024] Working process: Power on the equipment before use, first install the wiper rubber strip 5, pull the slide plate 8 to make the slide plate 8 slide on the outside of the slide rod 10, and the positioning plate 9 slides inside the second positioning groove 7. The return spring 11 at the bottom end of the fixed plate 12 is compressed by force, and then the locking block 4 at the top of the wiper rubber strip 5 is inserted into the inner side of the locking groove 3 on the support plate 1, and the first positioning groove 6 and the second positioning groove 7 are aligned, and the slide plate 8 is released. The return spring 11 resets and drives the slide plate 8 to slide on the outside of the slide rod 10, and the positioning plate 9 slides inside the second positioning groove 7 until the positioning plate 9 is inserted into the inner side of the first positioning groove 6 at the top of the locking block 4. The bottom end of the slide plate 8 is tightly fitted with the top end of the support plate 1, and the installation of the wiper rubber strip 5 is completed. When the wiper rubber strip 5 is damaged and needs to be replaced, pull the slide plate 8 to make it slide on the outside of the slide rod 10 , the positioning plate 9 slides inside the first positioning groove 6 and the second positioning groove 7 until the positioning plate 9 is disengaged from the first positioning groove 6, then the engaging block 4 can be taken out from the inner side of the engaging groove 3, and the wiper rubber strip 5 can be replaced. The next step is to install the heating component 13, insert the heating rod 1302 and the threaded block 1304 into the inner side of the mounting hole 1301, until the threaded block 1304 completely passes through the mounting hole 1301, and screw the threaded rod on the outer side of the threaded cover 1305 to complete the installation of the heating component 13, and finally fix the connecting seat 2 to the connecting rod mechanism on the engineering machinery to complete the installation of the device. When it snows and freezes, start the heater 1303, the heater 1303 heats the heating rod 1302, and the heating rod 1302 can heat the support plate 1 and the wiper rubber strip 5, thereby melting the ice and snow on the surface of the wiper rubber strip 5.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A windshield wiper for engineering machinery with a rubber strip that is easy to remove, comprising a support plate (1), characterized in that: The middle of the top of the support plate (1) is fixedly connected with a connecting seat (2); the inner side of the support plate (1) is provided with a snap-fitting groove (3) which penetrates the support plate (1) from left to right; the inner side of the snap-fitting groove (3) is snap-fitted with a snap-fitting block (4); the bottom end of the snap-fitting block (4) is fixedly connected with a horizontally arranged wiper rubber strip (5); the top of the snap-fitting block (4) is provided with a symmetrically arranged first positioning groove (6); the inner side of the support plate (1) is provided with a snap-fitting groove (6) which penetrates the support plate (1) from top to bottom and penetrates the snap-fitting groove (3); A second positioning groove (7) is connected to the connecting seat (2), slide plates (8) located at the top of the support plate (1) are symmetrically provided on both sides of the connecting seat (2), and the bottom of the slide plate (8) is fixedly connected to a symmetrically arranged positioning plate (9), the inner side of the slide plate (8) is slidably connected to a vertically arranged slide bar (10) that passes through the slide plate (8), the outer side of the slide bar (10) is provided with a return spring (11), the top of the slide bar (10) is fixedly connected to a fixing plate (12), and the inner side of the support plate (1) is symmetrically provided with a heating component (13).

2. The engineering machinery wiper blade with easily removable rubber strip according to claim 1, characterized in that: The heating assembly (13) comprises mounting holes (1301) symmetrically arranged on both sides of the engaging groove (3) and penetrating the support plate (1) from left to right, a horizontally arranged heating rod (1302) being arranged inside the mounting hole (1301), one end of the heating rod (1302) being fixedly connected to a heater (1303), one end of the heating rod (1302) away from the heater (1303) being fixedly connected to a threaded block (1304), and a threaded cover (1305) being spirally connected to the outer side of the threaded block (1304).

3. The engineering machinery wiper blade with easily removable rubber strip according to claim 2, characterized in that: The mounting hole (1301) and the heating rod (1302) have the same length, the inner side of the mounting hole (1301) is tightly fitted with the outer side of the heating rod (1302), and the side of the threaded cover (1305) close to the support plate (1) is tightly fitted with the support plate (1).

4. The engineering machinery wiper blade with easily detachable rubber strip according to claim 1, characterized in that: The first positioning groove (6) and the second positioning groove (7) are of the same shape and size, and the positioning plate (9) is located inside the first positioning groove (6) and the second positioning groove (7).

5. The engineering machinery wiper blade with easily removable rubber strip according to claim 1, characterized in that: The bottom end of the slide plate (8) is tightly fitted with the top end of the support plate (1), the slide rod (10) is fixedly connected to the top end of the support plate (1), the top end of the return spring (11) is fixedly connected to the bottom end of the fixed plate (12), and the bottom end of the return spring (11) is fixedly connected to the top end of the slide plate (8).

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