KR102083859B1 - Roller type elastomer door checker - Google Patents

Abstract

A roller type elastomer door checker is disclosed. The roller type elastomer door checker includes a checker arm including a bar-type steel insert and a checker arm body surrounding the insert and having a plurality of concave grooves in a length direction of the insert; And a checker slider coupled to the checker arm and sliding along the longitudinal direction of the checker arm; The checker slider may include: an accommodation case having an insertion opening into which the checker arm is inserted; First and second lubricating members accommodated in the receiving case so as to be disposed at both sides of the insertion opening; The plurality of concave grooves disposed on one side of each of the lubricating members and contacting the checker arm body of the checker arm inserted into the insertion opening and sliding along the longitudinal direction of the checker arm body when the door of the vehicle is opened and closed. First and second rollers seated on the; And first and second cushion rubbers disposed on the other side of the respective lubricating members so as to be opposite to the first roller and the second roller positions to press the respective lubricating members and the respective rollers in the checker arm direction. It includes, the checker arm body is characterized in that composed of a thermoplastic elastomer (TPE) material.

Description

ROLLER TYPE ELASTOMER DOOR CHECKER}

The present invention relates to a door checker, and more particularly to a roller-type elastomer door checker in which the roller is operated sliding along the checker arm.

In general, a vehicle is provided with at least two entrances and exits so that a passenger can enter and exit, and a door is formed at the entrance, and a door hinge and a door checker are installed and used as a means for opening and closing the door.

The door hinge is installed at the upper and lower positions between the door and the body of the car to withstand the weight of the door and at the same time plays a function of opening and closing the door via a hinge pin, and the door checker of the door hinge It is located in the middle and has a hold function that allows the door to be opened by a predetermined angle and a stop function that stops when fully opened.

Another main function of the door checker is to injure the human body by a door that is suddenly closed by opening and closing a step of 2-3 steps when the door is opened and closed in preparation for a safety accident that may occur when the door is opened and closed. It is to prevent in advance.

Such door checkers include a checker arm and a checker slider that slides along the checker arm. In the conventional door checker, the checker arm is mainly used in which a plastic material is coated on a steel material or a skeleton of steel material.

The conventional door checker has a deterioration in the performance of adjusting the opening and closing angle of the door in the repeated opening and closing of the door of the vehicle, so that the case of replacing the door checker occurs, the existing door checker was not reusable.

Korean Patent Publication No. 10-2017-00034198

Therefore, the problem to be solved by the present invention is that the size of the checker slider of the door checker can be reduced, the weight is reduced as the size is reduced, the manufacturing cost can be reduced, so that the use of regeneration of the door checker can be enabled An roller door elastomer door checker is provided.

Roller type elastomer door checker according to an embodiment of the present invention for solving the above problems includes a bar-type steel insert and a checker arm body surrounding the insert and having a plurality of recessed grooves in the longitudinal direction of the insert Checker arm; And a checker slider coupled to the checker arm and sliding along the longitudinal direction of the checker arm; The checker slider may include: an accommodation case having an insertion opening into which the checker arm is inserted; First and second lubricating members accommodated in the receiving case so as to be disposed at both sides of the insertion opening; The plurality of concave grooves disposed on one side of each of the lubricating members and contacting the checker arm body of the checker arm inserted into the insertion opening and sliding along the longitudinal direction of the checker arm body when the door of the vehicle is opened and closed. First and second rollers seated on the; And first and second cushion rubbers disposed on the other side of the respective lubricating members so as to be opposite to the first roller and the second roller positions to press the respective lubricating members and the respective rollers in the checker arm direction. It includes, the checker arm body is characterized in that composed of a thermoplastic elastomer (TPE) material.

In one embodiment, each of the lubricating member includes a roller accommodating groove on which the respective rollers are seated and a plurality of oil grooves formed on the inner surface of the roller accommodating groove, and inside the plurality of oil grooves, Lubricating oil may be filled to reduce the friction between the surface and the surface of the roller receiving groove so that each roller can rotate freely.

Roller-type elastomer door checker according to another embodiment of the present invention is a checker arm comprising a bar-type steel material insert and a checker arm body surrounding the insert and having a plurality of bent portions in the longitudinal direction of the insert; And a checker slider coupled to the checker arm and sliding along the longitudinal direction of the checker arm; The checker slider may include: an accommodation case having an insertion opening into which the checker arm is inserted; First and second lubricating members accommodated in the receiving case so as to be disposed at both sides of the insertion opening; A first roller and a second roller disposed on one side of each lubricating member and contacting the checker arm body of the checker arm inserted into the insertion opening, wherein the first and second rollers are made of a flexible material. It is cylindrical in shape, and the checker arm body is made of a thermoplastic elastomer (TPE) material.

The roller-type elastomer door checker according to another embodiment of the present invention further includes a pair of elastic members coupled to the checker arm to cover the plurality of concave grooves, wherein each of the elastic members is formed of the checker arm. A coupling rod penetrating toward the insert from a surface on which the plurality of concave grooves are formed and fixed to the checker arm; And a plurality of concave groove contact portions that are connected to the upper end portions of the coupling rods, the concave groove contact portions interviewing the plurality of concave groove portions, and the concave groove contact portions, and convexly extending from the concave groove contact portions. And a plurality of elastic parts spaced apart from the surface of the checker arm body, wherein the first roller and the second roller move along the longitudinal direction of the checker arm when the door of the vehicle is opened and closed to slide along the plurality of elastic parts. After it is characterized in that it is seated in the plurality of concave groove contact portion.

According to the roller-type elastomer door checker according to the present invention, since the first and second rollers are made of rubber material, the size of the checker slider of the door checker can be reduced. As the size decreases, the weight is reduced, so that the manufacturing cost is reduced.

In addition, since the first and second cushion rubbers made of rubber are used as compared to the conventional door checkers using springs, there is an advantage in that the assembly of the parts becomes easy.

In addition, the first and second rollers can be freely rotated without friction with the inner surface of the roller accommodation groove by the lubricant filled in the plurality of oil grooves in the roller accommodation grooves of the first and second lubrication members, so that the checker slider There is an advantage that can be easily moved along the longitudinal direction of the checker arm.

In addition, since the checker arm is made of a thermoplastic elastomer, there is an advantage that regeneration of the door checker can be enabled.

1 is a schematic cross-sectional view for explaining a roller-type elastomer door checker according to an embodiment of the present invention.
Figure 2 is a perspective view showing the appearance of the checker arm shown in Figure 1,
3 and 4 are front and perspective views of the lubricating member for explaining the first lubricating member and the second lubricating member shown in FIG.
FIG. 5 is a perspective view illustrating the external appearance of the first cushion rubber and the second cushion rubber shown in FIG. 1.
6 is a cross-sectional view illustrating a roller type elastomer door checker according to another embodiment of the present invention.
7 is a cross-sectional view for explaining the configuration of the roller-type elastomer door checker according to another embodiment of the present invention, Figure 8 is a perspective view showing the appearance of the elastic member shown in FIG.

Hereinafter, a roller type elastomer door checker according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements. In the accompanying drawings, the dimensions of the structures are shown in an enlarged scale than actual for clarity of the invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

1 is a schematic cross-sectional view for explaining a roller-type elastomer door checker according to an embodiment of the present invention, Figure 2 is a perspective view showing the appearance of the checker arm shown in Figure 1, Figures 3 and 4 A front view and a perspective view of a lubrication member for explaining the first lubrication member and the second lubrication member shown, Figure 5 is a perspective view showing the appearance of the first cushion rubber and the second cushion rubber shown in FIG.

1 to 5, the roller type elastomer door checker according to an embodiment of the present invention includes a checker arm 100 and a checker slider 200.

The checker arm 100 has a rod shape and has a plurality of concave grooves 121 along the length direction of the rod shape. One side of the checker arm 100 is fixed to the vehicle body (not shown) through a hinge bracket (not shown), the other side is provided with a stopper 122 is accommodated inside the door (not shown).

The checker arm 100 includes a bar type steel insert 110 constituting the skeleton of the checker arm 100 and a checker arm body 120 surrounding the insert 110. The checker arm body 120 is formed with the concave groove 121, and one end of the stopper 122 is formed. The checker arm body 120 is made of a thermoplastic elastomer (TPE) material. Thermoplastic elastomers exhibit the properties of vulcanized rubber (ie, elastomers) at room temperature, but plastic deformation is possible at high temperatures, and they return to rubber shape when cooled, and have the intermediate performance of rubber and plastic. Known. Therefore, there is an advantage that it is easy to use for regeneration.

The checker slider 200 includes a housing case 210, first and second lubricating members 220 and 230, first and second rollers 240 and 250, and first and second cushion rubbers 260 and 270. It includes.

The accommodation case 210 is fixed to the door of the vehicle. The accommodating case 210 may include an accommodating body 211 having an inner space and an open side thereof and a cover (not shown) covering the open one side of the accommodating body 211. An insertion opening 2111 into which one end of the checker arm 100 is inserted is provided at a surface facing the open one surface of the receiving body 211. Hereinafter, for convenience of description, a portion of one side of the receiving body 211 based on the insertion opening 2111 is referred to as a first accommodating region 211a, and the other region of the other side is the second accommodating portion. The area 211b is called. The first accommodating area 211a and the second accommodating area 211b are areas facing each other with the insertion opening 2111 interposed therebetween.

The first and second lubricating members 220 and 230 are accommodated in the accommodating case 210 so that the first and second rollers 240 and 250 are positioned in the insertion opening 2111. The first and second rollers 240 and 250 are supported. To this end, the first and second lubricating members (220, 230), respectively, the first side portion (221, 231) and the second side portion (222, 232), the first side portion (221, 231) and the second side portion And roller support portions 223 and 233 positioned between the 222 and 232, and one surface of the roller support portions 223 and 233 includes roller accommodation grooves 2231 and 2331 and roller accommodation grooves 2231 and 2331. A plurality of oil grooves (2232, 2332) are formed on the inner surface of the. The first and second lubricating members 220 and 230 are respectively accommodated in the first accommodating region 211a and the second accommodating region 211b of the accommodating body 211 and disposed to face each other. In this case, the first side parts 221 and 231 and the second side parts 222 and 232 are supported on the inner surface of the receiving body 211 and accommodate the rollers of the first and second lubricating members 220 and 230, respectively. The grooves 2231 and 2331 face the insertion opening 2111. In addition, the plurality of oil grooves 2232 and 2332 are filled with lubricating oil.

The first and second rollers 240 and 250 are supported on the first lubricating member 220 and the second lubricating member 230, respectively, and are disposed to face the insertion opening 2111. That is, the first roller 240 and the second roller 250 are seated on the roller receiving grooves 2231 and 2331 of the respective lubricating members 220 and 230 and disposed to face the insertion opening 2111. do. Accordingly, the first roller 240 and the second roller 250 are in contact with the surface of the checker arm body 120 of the checker arm 100 to be inserted into the insertion opening 2111, the door of the vehicle When opened and closed, the checker arm body 120 may slide in the longitudinal direction and be seated in the plurality of concave grooves 121. At this time, the first roller 240 and the second roller 250 is the roller accommodating grooves 2231 by the lubricating oil filled in the plurality of oil grooves 2232 and 2332 of the respective lubricating members 220 and 230. It can rotate freely without friction with 2331.

The first and second cushion rubbers 260 and 270 are located on opposite sides of the respective lubricating members 220 and 230 such that the first and second cushion rubbers 260 and 270 are positioned opposite to the positions of the first roller 240 and the second roller 250. The checker arm body 120 is accommodated so as to be positioned opposite to the first roller 240 and the second roller 250 based on the roller support parts 223 and 233 of the respective lubricating members 220 and 230. The first and second cushion rubbers 260 and 270 may be elastic rubber materials and have a hexahedral shape. The first and second cushion rubbers 260 and 270 press the respective lubricating members 220 and 230 and the respective rollers 240 and 250 in the direction of the checker arm 100. That is, each of the first and second cushion rubbers 260 and 270 may be supported by the first roller 240 and the second roller 250 in the concave groove 121 of the checker arm 100. The lubricating members 220 and 230 and each of the rollers 240 and 250 may be provided to have a thickness and elasticity. In addition, the first and second cushion rubbers 260 and 270 are in a state in which the first and second rollers 240 and 250 are in close contact with the surface of the checker arm body 120 except for the concave groove 121. In the contraction, and may have elasticity restored when the first and second rollers 240 and 250 are supported in the concave groove 121, and to increase the elastic force, the first and second cushion rubbers ( Openings 261 and 271 through the center may be formed in the 260 and 270.

Hereinafter will be described the operation of the roller-type elastomer door checker according to an embodiment of the present invention.

When the door is opened and closed, the first and second rollers 240 and 250, which are elastically applied by the first and second cushion rubbers 260 and 270, may form a surface of the checker arm body 120 of the checker arm 100. While rolling, it starts to move along the longitudinal direction of the checker arm 100. At this time, the first and second rollers 240 and 250 are subjected to resistance by the checker arm body 120 and the first and second cushion rubbers 260 and 270, thereby reducing the speed of the rotating door. In this case, the first roller 240 and the second roller 250 are filled in the plurality of oil grooves 2232 and 2332 in the roller accommodation grooves 2231 and 2331 of the first and second lubrication members 220 and 230, respectively. The lubricant smoothly rotates without friction with the inner surfaces of the roller accommodating grooves 2231 and 2331 to easily move along the longitudinal direction of the checker arm 100.

Subsequently, when the first and second rollers 240 and 250 are positioned in the recessed recesses 121 of the checker arm body 120, the door is held at the position.

Meanwhile, the stopper 122 provided at the end of the checker arm 100 is caught by the checker slider 200 at the maximum opening angle position at which the door is set so that the door is no longer opened.

The roller-type elastomer door checker according to an embodiment of the present invention uses rubber first and second cushion rubbers 260 and 270 unlike the conventional door checkers that use springs to closely contact the rollers to the checker arms. Since the first and second rollers 240 and 250 are configured to pressurize, the size of the checker slider 200 of the door checker may be reduced, and as the size decreases, the weight is reduced, thereby reducing the manufacturing cost. Can be.

In addition, since the first and second cushion rubbers 260 and 270 made of rubber are used as compared to the conventional door checker that used the spring, there is an advantage in that the assembly of the parts becomes easy.

In addition, the first and second rollers 240 and 250 are lubricant oils filled in the plurality of oil grooves 2232 and 2332 in the roller accommodation grooves 2231 and 2331 of the first and second lubrication members 220 and 230, respectively. By the roller can be freely rotated without friction with the inner surface of the accommodating groove (2231, 2331) there is an advantage that the checker slider 200 can be easily moved along the longitudinal direction of the checker arm (100).

In addition, since the checker arm 100 is made of a thermoplastic elastomer, there is an advantage that regeneration of the door checker can be enabled.

Hereinafter, a roller type elastomer door checker according to another embodiment of the present invention will be described with reference to FIG. 6 based on the difference from the roller type elastomer door checker according to an embodiment of the present invention. 6 is a cross-sectional view illustrating a roller type elastomer door checker according to another embodiment of the present invention.

Referring to FIG. 6, a roller type elastomer door checker according to another embodiment of the present invention may include first and second cushion rubbers 260 and 270 of a roller type elastomer door checker according to an embodiment of the present invention. ) Is omitted, the roller type elastomer door according to an embodiment of the present invention, except that the first roller 240 'and the second roller 250' is provided in a hollow cylindrical shape made of a flexible material Same as checkers.

According to another embodiment of the present invention, as the first roller 240 'and the second roller 250' are provided in a hollow cylindrical shape made of a flexible material, the first roller 240 'and the second roller 250'. The roller 250 ′ contracts when the roller 250 ′ moves in close contact with the surface of the checker arm body 120 of the checker arm 100, and may be restored when the roller 250 ′ is supported by each recessed groove 121 of the checker arm body 120. . Therefore, since the first roller 240 'and the second roller 250' itself are configured to contract and restore, the first cushion rubber 260 used in the roller type elastomer door checker according to the embodiment of the present invention. And the second cushion rubber 270 may be omitted.

Accordingly, the number of assembly parts of the checker slider 200 is reduced, so that the assembly of the checker slider 200 may be further simplified and further downsized, and thus the manufacturing cost of the door checker may be further reduced.

Hereinafter, a roller type elastomer door checker according to another embodiment of the present invention will be described with reference to FIGS. 7 and 8 with the differences from the roller type elastomer door checker according to an embodiment of the present invention. 7 is a cross-sectional view for explaining the configuration of the roller-type elastomer door checker according to another embodiment of the present invention, Figure 8 is a perspective view showing the appearance of the elastic member shown in FIG.

7 and 8, the roller-type elastomer door checker according to another embodiment of the present invention is a roller type according to an embodiment of the present invention, except that it further comprises a pair of elastic members 280 Since the same as the elastomer door checker will be described below with respect to the pair of elastic members 280.

The pair of elastic members 280 are coupled to the checker arm 100 to cover the plurality of concave grooves 121 of the checker arm body 120 of the checker arm 100. The pair of elastic members 280 may include a coupling rod 281 and a cover 282.

The coupling rod 281 penetrates toward the insert 110 from a surface where the plurality of concave grooves 121 of the checker arm 100 are formed and is fixed to the checker arm 100. For example, the coupling rod 281 may be two.

The cover part 282 may be connected to an upper end of the coupling rod 281, and may include a plurality of concave groove contact parts 2821 and a plurality of elastic parts 2822.

The plurality of concave groove contact portions 2821 are in close contact with the plurality of concave groove portions 121 formed on the checker arm body 120 of the checker arm 100 to cover the concave groove portion 121.

The plurality of elastic portions 2822 are formed between the respective recess groove contact portions 2821, and the convex portions extending from the respective recess groove contact portions 2821 and the convex portions of the checker arm body 120 Spaced from the surface.

The roller-type elastomer door checker according to another embodiment of the present invention has the plurality of rollers when the first roller 240 and the second roller 250 move along the longitudinal direction of the checker arm 100 when the door of the vehicle is opened and closed. After sliding the elastic portion 2822 of the plurality of recessed grooves are in contact portion (2821).

In this process, the first roller 240 and the second roller 250 are slid through the respective elastic portions 2822 until immediately before being positioned on the respective concave groove-contact portions 2821, where each Of the elastic portion 2822 is contracted toward the surface of the checker arm body 120 and gradually restored and completely restored when the first roller 240 and the second roller 250 reach the convex top of the elastic portion 2822. As a result, the first roller 240 and the second roller 250 positioned at the convex top of each elastic portion 2822 are pushed toward the concave groove contact portion 2821, and thus the first roller 240 and the second roller 250. The roller 250 is quickly moved from each elastic portion 2822 to each concave groove contact portion 2721. Accordingly, the first roller 240 and the second roller 250 quickly move to the recessed grooves 121 of the checker arm 100, which are formed by the respective recessed grooves of the checker arm 100 when the door is opened. 121) to hold it quickly.

On the contrary, even when the door is closed, the first roller 240 and the second roller 250 quickly move to the concave groove 121 of the checker arm 100 by the same action.

When the roller-type elastomer door checker according to another embodiment of the present invention is used, the first roller 240 and the second roller 250 can be moved quickly and elastically along the longitudinal direction of the checker arm 100. The opening and closing process of the door is easy.

In addition, a section in which a plurality of concave grooves 121 of the checker arm body 120 which rubs with the first roller 240 and the second roller 250 most frequently is arranged is covered by the elastic member 280. Therefore, wear of the checker arm body 120 due to friction with the first roller 240 and the second roller 250 may be prevented, and thus the service life of the door checker may be extended.

Meanwhile, the raw material content ratio of the first and second cushion rubbers 260 and 270 of the roller type elastomer door checker according to the embodiments of the present invention is 60% by weight rubber, 33-36% by weight carbon black, antioxidant 2 5 weight% and 1-3 weight% of sulfur which are accelerators are mixed.

Carbon black is added to increase the wear resistance, but if the content is less than 33% by weight, the elasticity and wear resistance is reduced, if the content exceeds 36% by weight, the rubber content of the main component is relatively small, there is a fear that the elastic force is lowered , 33 to 36% by weight.

Antioxidants add 2 to 5% by weight by selecting 3C (N-PHENYL-N'-ISOPROPYL-P-PHENYLENEDIAMINE) or RD (POLYMERIZED 2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE) If it is less than% by weight, the product is easy to oxidize, and if it is added too much and exceeds 5% by weight, the content of rubber, which is a main ingredient, may be relatively low, which may lower the elastic force. ~ 5% by weight is appropriate.

Sulfur, an accelerator, is mixed with 1-3 wt%. Less than 1% by weight is a slight vulcanization effect in the heating step during molding, so 1% by weight or more is added. If the content exceeds 3% by weight, the rubber content of the main component may be relatively low, and the elastic force may drop. Therefore, 1 to 3% by weight is appropriate.

Therefore, since the present invention is reinforced with synthetic rubber having elasticity in various directions, the elasticity, toughness, and rigidity of the first and second cushion rubbers 260 and 270 are increased, thereby improving durability, and thus the first and second cushion rubbers. The lifetime of 260 and 270 is increased.

Meanwhile, in order to prevent corrosion of the insert 110 of the checker arm 100 of the roller type elastomer door checker according to the embodiments of the present invention, a corrosion preventing coating layer (not shown) is formed on the surface of the insert 110. The coating material of the anti-corrosion coating layer is composed of 20% by weight of tolylazole, 15% by weight of benzimidazole, 10% by weight of trioctylamine, 15% by weight of hafnium, and 40% by weight of aluminum oxide, and the coating thickness is 8%. It consists of micrometers.

Tolyltriazole, benzimizol and trioctylamine serve as corrosion protection and discoloration prevention.

Hafnium is a corrosion-resistant transition metal element that serves to have excellent water resistance and corrosion resistance.

Aluminum oxide is added for the purpose of fire resistance, chemical stability, and the like.

The reason for limiting the numerical value and the coating thickness of the components as described above, the inventors have analyzed through the test results several times, showed the optimum corrosion protection effect at the ratio.

On the other hand, the outer surface of the checker slide 200 of the roller-type elastomer door checker according to the embodiments of the present invention, the antifouling coating layer coated with a composition for antifouling coating to effectively achieve the prevention and removal of contaminants This can be formed.

The antifouling coating composition includes alkanolamide and ampopropionate in a molar ratio of 1: 0.01 to 1: 2, and the total content of alkanolamide and ampopropionate is 1 to 10 based on the total aqueous solution. Weight percent.

The alkanolamide and ampopropionate are preferably in a molar ratio of 1: 0.01 to 1: 2. If the molar ratio is out of the above range, the coating property of the substrate may be lowered or the moisture absorption of the surface may be increased after application, thereby forming a coating film. There is a problem that is eliminated.

The alkanolamide and ampopropionate have a problem in that 1 to 10% by weight of the total composition aqueous solution is preferred. If the content is less than 1% by weight, the applicability of the substrate is lowered. Precipitation is likely to occur due to an increase.

On the other hand, it is preferable to apply | coat by the spray method as a method of apply | coating this composition for antifouling | polishing prevention on a base material. The final coating film thickness on the substrate is preferably 500 to 2000 kPa, more preferably 1000 to 2000 kPa. If the thickness of the coating film is less than 500 mm 3, there is a problem of deterioration in the case of high temperature heat treatment.

In addition, the present antifouling coating composition may be prepared by adding 0.1 mol of alkanolamide and 0.05 mol of ampopropionate to 1000 ml of distilled water, followed by stirring.

The description of the presented embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the invention. Thus, the present invention should not be limited to the embodiments set forth herein but should be construed in the broadest scope consistent with the principles and novel features set forth herein.

100: checker arm 110: insert
120: checker arm body 200: checkers slider
210: housing case 220: first lubricating member
230: second lubricating member 240: first roller
250: second roller 260: first cushion rubber
270: second cushion rubber

Claims (4)

A checker arm (100) comprising a bar type steel insert (110) and a checker arm body (120) surrounding the insert (110) and having a plurality of concave grooves (121) in the longitudinal direction of the insert; And
A checker slider 200 coupled to the checker arm 100 and sliding along a longitudinal direction of the checker arm 100;
The checker slider 200,
A receiving case 210 having an insertion opening 2111 into which the checker arm 100 is inserted;
First and second lubricating members 220 and 230 accommodated in the accommodating case 210 to be disposed at both sides of the insertion opening 2111;
Disposed on one side of each of the lubricating members 220 and 230 and in contact with the checker arm body 120 of the checker arm 100 inserted into the insertion opening 2111, and the checker arm when the door of the vehicle is opened or closed. First and second rollers 240 and 250 sliding in the longitudinal direction of the body 120 and seated in the plurality of concave grooves 121; And
It is disposed on the other side of each of the lubricating members 220, 230 so as to be located opposite to the position of the first roller 240 and the second roller 250, the respective lubricating members 220, 230 and each roller First and second cushion rubbers 260 and 270 for pressing the 240 and 250 in the direction of the checker arm 100,
The checker arm body 120 is made of a thermoplastic elastomer (TPE) material;
Further comprising a pair of expansion and contraction members 280 coupled to the checker arm 100 to cover the plurality of concave grooves 121,
Each of the stretching members 280,
A coupling rod 281 penetrating toward the insert 110 from a surface where the plurality of concave grooves 121 of the checker arm 100 are formed and fixed to the checker arm 100; And
Is formed between the plurality of concave groove contact portion 2821 and the respective concave groove contact portion 2821 connected to the upper end of the coupling rod (281) and in contact with the plurality of concave groove portion 121 A convex portion extending from the concave groove contact portion 2821 and the convex portion includes a plurality of elastic portions 2822 spaced apart from the surface of the checker arm body 120,
The first roller 240 and the second roller 250 are moved along the longitudinal direction of the checker arm 100 when the door of the vehicle is opened and closed to slide on the plurality of elastic parts 2822 and then the plurality of rollers. It is characterized in that seated in the recess groove contact portion (2821),
Roller type elastomer door checker.
The method of claim 1,
Each of the lubricating members 220 and 230 has a plurality of oil grooves formed on the inner surfaces of the roller accommodation grooves 2231 and 2331 on which the respective rollers 240 and 250 are seated and the roller accommodation grooves 2231 and 2331. 2232, 2332),
Inside the plurality of oil grooves 2232 and 2332, friction between the surfaces of the respective rollers 240 and 250 and the surfaces of the roller accommodation grooves 2231 and 2331 is reduced so that the respective rollers 240 and 250 are reduced. Characterized in that the lubricating oil is filled to allow free rotation
Roller type elastomer door checker. delete A checker arm (100) comprising a bar type steel insert (110) and a checker arm body (120) surrounding the insert (110) and having a plurality of concave grooves (121) in the longitudinal direction of the insert; And
A checker slider 200 coupled to the checker arm 100 and sliding along the longitudinal direction of the checker arm 20;
The checker slider 200,
A receiving case 210 having an insertion opening 2111 into which the checker arm 100 is inserted;
First and second lubricating members 220 and 230 accommodated in the accommodating case 210 to be disposed at both sides of the insertion opening 2111;
First and second rollers 240 and 250 disposed on one side of each of the lubricating members 220 and 230 and in contact with the checker arm body 120 of the checker arm 100 inserted into the insertion opening 2111. ),
The first and second rollers 240 and 250 have a hollow cylindrical shape made of a flexible material,
The checker arm body 120 is characterized in that composed of a thermoplastic elastomer (TPE) material,
Roller type elastomer door checker.

Images