Wear-resistant and corrosion-resistant automobile sealing strip structure and preparation method thereof

Abstract

The invention belongs to the technical field of automobile sealing structures, and particularly relates to a wear-resistant and corrosion-resistant automobile sealing strip structure and a preparation method thereof.The wear-resistant and corrosion-resistant automobile sealing strip structure comprises a positioning sealing strip, the positioning sealing strip is arranged on a storage box for storing a battery pack of an automobile, and the positioning sealing strip is installed in a contact gap between an opening of the storage box and a sealing cover; the positioning sealing strip is located in the gap between the sealing ring and the inner wall of the opening part of the storage box, so that a small amount of impurities permeating into the gap part are intercepted again, the elastic material enables the positioning sealing strip to better seal the gap area, and the permeation condition is reduced; the dry adsorption material is arranged in the positioning sealing strip, so that water vapor which permeates and flows in can enter the absorption cavity through the absorption holes and is absorbed by the dry adsorption material in the absorption cavity, and the situation that the water vapor permeating into the gap area makes contact with the positioning sealing strip for a long time and erodes the positioning sealing strip is reduced; and the sealing effect of the positioning sealing strip on the storage box is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile sealing structures, in particular to a wear-resistant and corrosion-resistant automobile sealing strip structure and a preparation method thereof. Background Art

[0002] Automobile sealing strips can fill various intervals and gaps between the components of the car body, and have the functions of shock absorption, waterproofing, dustproofing, sound insulation, decoration, etc., which can improve the comfort of driving experience and protect the car body. Generally, car owners experience that their cars are in a certain operating state, such as high-speed driving, gravel roads, and downtown areas, and feel strong noise. The biggest possibility is that there is a problem with the sealing performance of the car body. There are many ways to solve the problem. Sealing strips are one of the most cost-effective solutions. Automobile sealing strips are generally configured at the factory. After a period of use, the strips of uneven quality will age prematurely, the sealing performance will decrease, and disappear. At this time, replacing new sealing strips will greatly improve the noise situation in the car. Automobile sealing strips are a very useful product for solving noise problems.

[0003] During the operation of new energy vehicles, a battery box is installed on the vehicle body, and the battery pack is placed inside the battery box, and then installed in the new energy vehicle as a power source. In order to ensure the safety of the internal battery pack, the battery box needs to have good sealing properties, and in the event of an accident, it needs to be able to prevent external water vapor and other adverse factors from invading the battery box and threatening the safety of the battery pack, thereby ensuring the normal operation of the new energy battery.

[0004] In the prior art, a sealing strip structure is often provided at the gap to prevent the intrusion of external water vapor and dust impurities; therefore, in a continuously humid working environment, water vapor and dust impurities will accumulate in the sealing gap, and the combination of water vapor and dust impurities will form dirt that adheres tightly, creating a continuously humid environment that erodes the sealing strip material, accelerates its aging, reduces its service life, and affects the sealing and protective performance of the internal items. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the present invention proposes a wear-resistant and corrosion-resistant automobile sealing strip structure and a preparation method thereof.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: the present invention proposes a wear-resistant and corrosion-resistant automobile sealing strip structure, comprising a positioning sealing strip, the positioning sealing strip is arranged on a storage box for storing a battery pack of an automobile, and the positioning sealing strip is installed in the contact gap between the storage box opening and the closing cover; The inner wall of the storage box is provided with elastic positioning blocks at right angles to the opening, and the inner wall of the storage box is provided with positioning grooves between adjacent positioning blocks, and the positioning sealing strip is embedded in the positioning grooves; A square sealing ring is provided at the bottom of the sealing cover, the sealing ring is embedded in the opening of the storage box, and the sealing ring is in close contact with the surface of the positioning sealing strip; The interior of the positioning sealing strip is hollow to form an absorption cavity, the cross-section of the absorption cavity is elliptical, and dry adsorption material is nested inside the absorption cavity; absorption holes are provided on the surface of the positioning sealing strip at the position corresponding to the contact gap of the closed ring surface, and the absorption holes are connected to the interior of the absorption cavity.

[0007] Preferably, an absorbent core is slidably arranged inside the absorption cavity, the absorbent core is a tubular structure, and the dry absorbent material is filled inside the absorbent core, and through holes are evenly arranged on the side walls of the absorbent core, and the aperture of the through holes is smaller than the particle size of the dry absorbent material.

[0008] Preferably, the gap between the inner wall of the absorption cavity and the absorption core is uniformly filled with ash-absorbing fibers, and the ash-absorbing fibers adhere to the inner wall of the absorption cavity.

[0009] Preferably, the outer surface of the absorbent core is provided with a support strip, the support strip extends from one end to the other end of the absorbent core, and the support strip is distributed in an annular manner around the central axis of the absorbent core, and the support strip is in sliding contact with the inner wall of the absorption cavity.

[0010] Preferably, isolation rings are evenly arranged inside the absorption cavity, the absorption core slides through the middle opening of the isolation ring, and a slide groove is arranged on the inner wall of the isolation ring at a position corresponding to the support bar, and the support bar is slidably embedded in the slide groove.

[0011] Preferably, an annular accommodating groove is provided in the middle portion of the isolation ring, an annular breathing portion is provided on the side wall of the absorbent core in the middle portion of the accommodating groove, a breathing cavity is formed in the gap area between the breathing portion and the outer surface of the absorbent core, and breathing holes are evenly arranged on the inner wall of the breathing cavity on one side close to the inside of the absorbent core.

[0012] Preferably, an impact block is provided on the inner wall of the accommodating groove, and the end of the impact block points to the outer surface of the breathing part.

[0013] Preferably, the end of the absorbent core passes through the end opening of the positioning closure strip and is embedded in the positioning cavity inside the positioning block, and the tension rope at the end of the absorbent core is connected to the positioning ball inside the positioning cavity.

[0014] Preferably, the positioning ball is suspended inside the positioning cavity, and the positioning ball is connected to the inner wall of the positioning cavity through an elastic rope.

[0015] A method for preparing a wear-resistant and corrosion-resistant automobile sealing strip structure, the method is used to prepare the above-mentioned automobile sealing strip structure, and the specific steps of the method are: S1: First, a silicone rubber hose is selected, and holes are evenly opened on the surface. Then, dry adsorbent material is filled into the hollow part inside, and both ends are sealed to prepare an absorbent core. Tightening ropes are fixedly connected to both ends of the absorbent core. S2: Prepare an annular rubber piece made of silicone rubber, nest it on the outer surface of the absorbent core, keep it evenly distributed, and use sewing or glue to fix the annular rubber piece relatively to the outer surface of the absorbent core to form a breathing part on the outer surface of the absorbent core; S3: Select polyurethane rubber as a raw material, prepare a blank of a positioning sealing strip by extrusion molding or mold molding, and the blank is hollow inside to form an absorption cavity; cut the side wall of the absorption cavity from the middle to expose the inner wall of the absorption cavity, adhere the dust-absorbing fiber to the inner wall of the absorption cavity, and evenly open absorption holes on the side wall of the absorption cavity; S4: Slidingly nest the elastic isolation ring in the position corresponding to the breathing part on the absorbent core, and then nest the isolation ring and the absorbent core inside the absorption cavity, so that the isolation ring is fixedly connected to the inner wall of the absorption cavity, and the incision in the middle part of the side wall of the absorption cavity is closed, thereby realizing the processing of the positioning sealing strip, and finally nesting the positioning sealing strip into the positioning groove on the storage box.

[0016] The beneficial effects of the present invention are as follows: The wear-resistant and corrosion-resistant automobile sealing strip structure and preparation method thereof of the present invention locates the positioning sealing strip in the gap between the closing ring and the inner wall of the storage box opening, so that a small amount of impurities that penetrate into the gap are intercepted again. The elastic material enables the positioning sealing strip to better seal the gap area and reduce the penetration. In addition, dry adsorption material is arranged inside the positioning sealing strip, so that the water vapor that penetrates into the absorption cavity can enter the absorption cavity through the absorption hole and be absorbed by the dry adsorption material therein, thereby reducing the long-term contact between the water vapor that penetrates into the gap area and the positioning sealing strip, thereby reducing the erosion of the positioning sealing strip, thereby ensuring the sealing effect of the positioning sealing strip on the storage box; Furthermore, a humidity sensor is arranged inside the positioning block, and the sensing end of the humidity sensor is communicated with the absorption cavity inside the positioning block, so that the humidity sensor can transmit the detected humidity condition inside the absorption cavity to the owner, reminding the owner to replace and maintain it in time when the internal humidity is too high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of the automobile sealing strip structure of the present invention; Figure 2 is a three-dimensional diagram of a closure cover in the present invention; Figure 3 It is a cross-sectional view of the automobile sealing strip structure in the front view direction of the present invention; Figure 4 yes Figure 3 A partial enlarged view of the middle A; Figure 5 yes Figure 4 A partial enlarged view of point B in the middle; Figure 6 is a partial cross-sectional view of the storage box in the present invention when viewed from above; Figure 7 yes Figure 6 A partial enlarged view of point C in the middle; Figure 8 yes Figure 6 A partial enlarged view of point D in the middle; Fig. 9 It is a schematic diagram of the internal structure of the positioning block in the present invention; Fig.10 is a three-dimensional diagram of a positioning sealing strip in the present invention; Fig.11 is a three-dimensional diagram of the absorbent core of the present invention; Fig.12 The present invention is a flow chart of a method for preparing a car sealing strip structure.

[0019] In the figure: positioning closing strip 1, absorption cavity 11, absorption hole 12, absorption core 13, support strip 131, breathing part 132, breathing cavity 133, breathing hole 134, tensioning rope 135, isolation ring 14, slide groove 141, accommodating groove 142, impact block 143, storage box 2, closing cover 21, positioning block 22, positioning cavity 221, positioning ball 222, elastic rope 223, positioning groove 23, closing ring 24. DETAILED DESCRIPTION

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

[0021] Embodiment 1: In order to effectively solve the above problems, as shown in the accompanying drawings of the specification Figure 1-Figure 11As shown, a wear-resistant and corrosion-resistant automobile sealing strip structure includes a positioning sealing strip 1, which is arranged on a storage box 2 of an automobile, and is installed in the contact gap between the opening of the storage box 2 and a closing cover 21; elastic positioning blocks 22 are arranged at right angles to the inner wall of the storage box 2 near the opening, and positioning grooves 23 are arranged on the inner wall of the storage box 2 between adjacent positioning blocks 22, and the positioning sealing strip 1 is embedded in the positioning grooves 23; Because the storage box 2 is a square structure, at least four positioning and sealing strips 1 are prepared for installation at the four sides of the storage box 2 opening in sequence, and at the corners, in order to avoid too large a gap due to the bending of the positioning and sealing strips 1; therefore, the positioning and sealing strips 1 do not pass through the corners, and positioning blocks 22 are installed at the corners to fill the gaps between the ends of adjacent positioning and sealing strips 1, and the ends of the positioning and sealing strips 1 are in close contact with the positioning blocks 22; A square sealing ring 24 is provided at the bottom of the sealing cover 21, and the sealing ring 24 is embedded in the opening of the storage box 2, and the sealing ring 24 cooperates with the positioning sealing strip 1 and the positioning block 2 to be in close contact with each other; The interior of the positioning sealing strip 1 is hollow to form an absorption chamber 11, the cross-section of the absorption chamber 11 is elliptical, and dry adsorption material is nested inside the absorption chamber 11, and the dry adsorption material here can be silica gel desiccant particles; the surface of the positioning sealing strip 1 is provided with an absorption hole 12 at a position corresponding to the surface contact gap of the closed ring 24, the aperture of the absorption hole 12 is smaller than the particle size of the dry adsorption material particles, and the absorption hole 12 is communicated with the interior of the absorption chamber 11.

[0022] Specific work flow: During the operation of new energy vehicles, a battery box is configured on the vehicle body, and the battery pack is placed inside the battery box, and then installed in the new energy vehicle as a power source; in order to ensure the safety of the internal battery pack, the battery box needs to have good sealing properties, and in the event of an accident, it needs to be able to prevent adverse factors such as external water vapor from invading the battery box and threatening the safety of the battery pack, thereby ensuring the normal operation of the new energy battery; Therefore, the present application provides a storage box 2, which can be used as a battery box of a new energy vehicle to ensure the safety of the battery pack installed therein, and an interface is set on the closed cover 21 to facilitate the connection between the external motor and the internal battery pack to ensure the normal operation of the new energy vehicle; of course, the present application can also be used as a storage container for storing valuables on a new energy vehicle, and compact electronic products or documents are placed inside, and the closed cover 21 is fastened to prevent the intrusion of external water vapor or dust, thereby ensuring the safety of the internal items; Specifically, the storage box 2 of the present application is placed on the new energy vehicle, and then the upper closing cover 21 is closed, so that the closing ring 24 of the closed bottom is embedded in the top opening of the storage box 2; the closing cover 21 is fixedly connected with the top opening of the storage box 2 by bolts, and the gap is closed by setting the side wall of the closing ring 24 to be in close contact with the surface of the positioning closing strip 1, so as to achieve the closure of the internal area of ​​the storage box 2 and ensure the safety of the items stored inside, such as batteries and electronic products; In rainy or dusty weather, when external water vapor invades the interior of the new energy vehicle and approaches the storage box 2, water vapor impurities need to pass through the gap between the closed cover 21 and the storage box 2 before they can be embedded into the internal area; and in the gap area, because of the embedding of the closed ring 24, water vapor and impurities first need to pass through the horizontal gap between the top of the storage box 2 and the closed cover 21, and then pass through the vertical gap between the closed ring 24 and the inner wall of the opening of the storage box 2 before they can penetrate into the storage box 2. Such a right-angle turning gap increases the penetration path of water vapor impurities, and the turning path increases the penetration resistance of water vapor impurities, further reducing the penetration of water vapor impurities into the storage box 2. Furthermore, the positioning sealing strip 1 is located in the gap between the sealing ring 24 and the inner wall of the opening of the storage box 2, so that a small amount of impurities that penetrate into the gap are intercepted again. The elastic material enables the positioning sealing strip 1 to better seal the gap area and reduce the penetration. Furthermore, a dry adsorption material is arranged inside the positioning sealing strip 1, so that the water vapor that penetrates into the absorption cavity 11 can enter the absorption cavity 11 through the absorption hole 12 and be absorbed by the dry adsorption material therein, thereby reducing the water vapor that penetrates into the gap area and contacts the positioning sealing strip 1 for a long time, causing erosion to the positioning sealing strip 1, and ensuring the sealing effect of the positioning sealing strip 1 on the storage box 2. Furthermore, a humidity sensor is provided inside the positioning block 22, and the sensing end of the humidity sensor is connected to the absorption cavity 11 inside the positioning block 22, so that the humidity sensor can transmit the detected humidity condition inside the absorption cavity 11 to the owner, reminding the owner to replace and maintain it in time when the internal humidity is too high.

[0023] Embodiment 2: On the basis of the first embodiment, an absorption core 13 is slidingly arranged inside the absorption cavity 11, the absorption core 13 is a tubular structure, and dry adsorption material is filled into the absorption core 13, and the side walls of the absorption core 13 are evenly provided with through holes, and the aperture of the through holes is smaller than the particle size of the dry adsorption material; the gap between the inner wall of the absorption cavity 11 and the absorption core 13 is evenly filled with ash-absorbing fibers, and the ash-absorbing fibers adhere to the inner wall of the absorption cavity 11.

[0024] Specific work flow: Based on the specific work flow in the first embodiment, the dry adsorbent material inside the absorption chamber 11 is located inside the absorption core 13, and the absorption core 13 is a tubular structure, which is filled into the absorption chamber 11 and extends along the positioning sealing strip 1 to fully absorb the infiltrated water vapor; and the gap area between the absorption core 13 and the inner wall of the absorption chamber 11 is filled with dust-absorbing fibers, which are made of chemical fiber and have a good dust-absorbing effect; In this way, during the driving of the new energy vehicle, the vibration of the motor drives the vibration of the vehicle body, so that the storage box 2 is also subjected to the transmitted vibration; because of the role of the positioning sealing strip 1, the closing cover 21 and the opening of the storage box 2 are elastically combined, and the vibration action causes a small amplitude relative vibration between the closing cover 21 and the storage box 2, thereby causing the positioning sealing strip 1 therein to be squeezed; during the squeezing and resetting process, the internal absorption chamber 11 is pressurized, resulting in a change in air pressure, which causes the absorption hole 12 and the gap area between the closing cover 21 and the storage box 2 to exchange air, and after the inflowing air enters the absorption chamber 11 from the absorption hole 12, the dust therein is absorbed by the dust-absorbing fiber, and the moisture is absorbed by the dry adsorption material inside the absorption core 13 in the middle position, and the impurity moisture in the gap area is purified to ensure the cleanliness of the gap area. While the closing ring 24 is smoothly combined with the positioning sealing strip 1, the dry adsorption material and the dust-absorbing fiber are separated by the absorption core 13, so that the fixed dust particles and moisture in the inflowing impurities are separated; This can prevent water vapor and dust impurities from combining for a long time to form strongly adherent dirt and tightly adhere to the inner wall of the absorption chamber 11. The continuous humid environment will cause the aging of the positioning sealing strip 1 and affect its service life. The absorption core 13 controls the water vapor to the middle position and does not directly contact the inner wall of the absorption chamber 11, thereby preventing erosion of the positioning sealing strip 1 itself and ensuring the service life of the positioning sealing strip 1, thereby better ensuring the sealing and protection effect of the items inside the storage box 2.

[0025] Embodiment three: On the basis of the second embodiment, a support bar 131 is provided on the outer surface of the absorbent core 13, the support bar 131 extends from one end of the absorbent core 13 to the other end, and the support bar 131 is distributed in an annular manner around the central axis of the absorbent core 13, and the support bar 131 is in sliding contact with the inner wall of the absorbent cavity 11; Isolation rings 14 are evenly arranged inside the absorption chamber 11 , and the absorption core 13 slides through the middle opening of the isolation ring 14 . A slide groove 141 is arranged on the inner wall of the isolation ring 14 at a position corresponding to the support bar 131 , and the support bar 131 slides and fits into the slide groove 141 .

[0026] Specific workflow: On the basis of the specific workflow in Example 2, by providing an annularly distributed support bar 131 on the outer surface of the absorbent core 13, the absorbent core 13 located inside the absorbent cavity 11 is lifted up by the support bar 131, and the support bar 131 is located in the gap area between the outer surface of the absorbent core 13 and the inner wall of the absorbent cavity 11, so as to position the absorbent core 13, ensure that the absorbent core 13 is located in the middle of the absorbent cavity 11, and does not directly contact the inner wall of the absorbent cavity 11; and the gap area between the absorbent core 13 and the inner wall of the absorbent cavity 11 is annular, surrounding the absorbent core 13 in the middle, so that the water vapor flowing into the air can fully contact the absorbent core 13 and be absorbed by the dry adsorbent material inside, so that the water vapor is separated from the inner wall of the absorbent cavity 11; Furthermore, the evenly arranged isolation rings 14 divide the gap area between the absorbent core 13 and the inner wall of the absorbent cavity 11 into multiple areas. Because the absorbent core 13 is in sliding contact with the inner wall of the isolation ring 14, the multiple areas are relatively independent. In this way, even if the inner wall of the absorbent cavity 11 corresponding to a single area is aged and damaged, it is difficult for the infiltrated water vapor to expand the erosion range along the absorbent cavity 11, effectively extending the normal service life of the positioning sealing strip 1. Furthermore, the support bar 131 on the absorbent core 13 is slidably embedded in the slide groove 141 on the inner wall of the isolation ring 14, ensuring the cooperation between the absorbent core 13 and the isolation ring 14; and when replacing the internal absorbent core 13 and pulling out the old absorbent core 13, the cooperation between the support bar 131 and the slide groove 141 enables the absorbent core 13 to slide smoothly along a stable motion trajectory, so that the absorbent core 13 can be smoothly replaced, thereby improving the practicality of the present application.

[0027] Embodiment 4: On the basis of the third embodiment, an annular receiving groove 142 is provided in the middle part of the isolation ring 14, and an annular breathing portion 132 is provided on the side wall of the absorbent core 13 located in the middle part of the receiving groove 142, and a breathing cavity 133 is formed in the gap area between the breathing portion 132 and the outer surface of the absorbent core 13, and breathing holes 134 are evenly arranged on the inner wall of the breathing cavity 133 on one side close to the inside of the absorbent core 13; an impact block 143 is provided on the inner wall of the receiving groove 142, and the end of the impact block 143 points to the outer surface of the breathing portion 132.

[0028] Specific workflow: Based on the specific workflow in Example 3, when the vibration of the car is transmitted to the positioning sealing strip 1, because the absorbent core 13 is in sliding contact with the inner wall of the absorbent cavity 11, the vibration causes the absorbent core 13 and the inner wall of the absorbent cavity 11 to move relative to each other, thereby causing the breathing portion 132 located inside the receiving groove 142 to contact the impact block 143 on the inner wall of the receiving groove 142, thereby pressurizing the breathing cavity 133, and the change in air pressure causes airflow exchange between the breathing cavity 133 and the inside of the absorbent core 13; This can accelerate the air inside the absorption core 13 located in the area between adjacent isolation rings 14 to flow longitudinally along the absorption core 13 and exchange air with the breathing chamber 133 at both ends, so that the air flowing into the absorption chamber 11 from the through hole has a larger diffusion range inside the absorption core 13 and fully contacts the dry adsorption material, thereby improving the drying and purification efficiency of the absorption chamber 11.

[0029] Embodiment five: On the basis of the fourth embodiment, the end of the positioning sealing strip 1 is embedded in the positioning cavity 221 inside the positioning block 22, and the tension rope 135 at the end of the absorbent core 13 is connected to the positioning ball 222 inside the positioning cavity 221; the positioning ball 222 is suspended inside the positioning cavity 221, and the positioning ball 222 is connected to the inner wall of the positioning cavity 221 through an elastic rope 223; Specifically, the top and bottom of the positioning ball 222 are connected to the inner wall of the positioning cavity 221 through the elastic rope 223 to achieve vertical limitation, and are connected to the tension ropes 135 on both sides in the horizontal direction. The positioning ball 222 is made of hollow metal material with large inertia, and can cooperate with the vibration of the car and transmit the vibration to the tension rope 135 and the connected absorption core 13; Furthermore, a smaller solid metal ball may be disposed in the hollow area inside the positioning ball 222, or a micro vibration motor may be directly installed and controlled by an external controller, so that when the external vehicle vibrates, the swing intensifies and further drives the connected tension rope 135 to vibrate.

[0030] Specific working process: On the basis of the specific working process in Example 4, when the new energy vehicle starts and brakes, the inertia causes the positioning ball 222 located inside the positioning cavity 221 to swing due to inertia, thereby transmitting the swinging effect to the connected elastic rope 223, and the elastic rope 223 pulls the absorbent core 13 to slide inside the absorbent cavity 11, and then recovers under the elastic reset effect; in this way, the absorbent core 13 with a sliding tendency drives the relative impact between the breathing part 132 and the impact block 143 to be more intense, strengthens the exchange of air between the breathing cavity 133 and the gap between the dry adsorption material inside the absorbent core 13, promotes the purification of the inside of the absorbent cavity 11 by the absorbent core 13, and also strengthens the vibration of the absorbent core 13 itself, promotes the vibration of the internal dry adsorption material, and reduces the problem of dry adsorption material absorbing water and adhering to each other and agglomerating; ensures the normal sealing effect of the positioning sealing strip 1 and improves its service life.

[0031] Embodiment six: Based on the above embodiments, as shown in the accompanying drawings of the specification Fig.12 As shown, this embodiment provides a method for preparing the automotive sealing strip structure of the present application, specifically, a method for preparing a wear-resistant and corrosion-resistant automotive sealing strip structure, the preparation method is used to prepare the above-mentioned automotive sealing strip structure, and the specific steps of the preparation method are: S1: First, a silicone rubber hose is selected, through holes are evenly opened on the surface, and then dry adsorbent material is filled into the hollow part inside, and both ends are sealed to prepare an absorbent core 13, and tightening ropes 135 are fixedly connected to both ends of the absorbent core 13; S2: Prepare an annular rubber piece made of silicone rubber, embed it on the outer surface of the absorbent core 13, keep it evenly distributed, and use sewing or gluing to fix the annular rubber piece relatively to the outer surface of the absorbent core 13 to form a breathing portion 132 on the outer surface of the absorbent core 13; S3: Select polyurethane rubber as a raw material, prepare a blank of the positioning sealing strip 1 by extrusion molding or mold molding, and the blank is hollow inside to form an absorption cavity 11; cut the side wall of the absorption cavity 11 from the middle to expose the inner wall of the absorption cavity 11, adhere the dust absorbing fiber to the inner wall of the absorption cavity 11, and evenly open absorption holes 12 on the side wall of the absorption cavity 11; S4: Slidingly nest the elastic isolation ring 14 in the position corresponding to the breathing part 132 on the absorption core 13, and then nest the isolation ring 14 and the absorption core 13 in the absorption cavity 11, so that the isolation ring 14 is fixedly connected to the inner wall of the absorption cavity 11, and the incision in the middle part of the side wall of the absorption cavity 11 is closed, thereby realizing the processing of the positioning closing strip 1, and finally nesting the positioning closing strip 1 into the positioning groove 23 on the storage box 2.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wear-resistant and corrosion-resistant automobile sealing strip structure, comprising a positioning sealing strip (1), wherein the positioning sealing strip (1) is arranged on a storage box (2) for storing a battery pack of an automobile, and the positioning sealing strip (1) is installed in a contact gap between an opening of the storage box (2) and a sealing cover (21); Features: The inner wall of the storage box (2) is provided with elastic positioning blocks (22) at right angles to the opening, and the inner wall of the storage box (2) is provided with positioning grooves (23) between adjacent positioning blocks (22), and the positioning sealing strip (1) is embedded in the positioning grooves (23); A square sealing ring (24) is provided at the bottom of the sealing cover (21), the sealing ring (24) is embedded in the opening of the storage box (2), and the sealing ring (24) is in close contact with the surface of the positioning sealing strip (1); The interior of the positioning sealing strip (1) is hollow to form an absorption chamber (11), the cross-section of the absorption chamber (11) is elliptical, and dry adsorption material is embedded in the absorption chamber (11); an absorption hole (12) is provided on the surface of the positioning sealing strip (1) at a position corresponding to the contact gap of the surface of the closed ring (24), and the absorption hole (12) is communicated with the interior of the absorption chamber (11).

2. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 1, characterized in that: An absorbent core (13) is slidably arranged inside the absorbent cavity (11), the absorbent core (13) is a tubular structure, the dry absorbent material is filled into the absorbent core (13), and through holes are evenly arranged on the side walls of the absorbent core (13), the aperture of the through holes being smaller than the particle size of the dry absorbent material.

3. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 2, characterized in that: The gap between the inner wall of the absorption cavity (11) and the absorption core (13) is evenly filled with ash-absorbing fibers, and the ash-absorbing fibers adhere to the inner wall of the absorption cavity (11).

4. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 3, characterized in that: The outer surface of the absorbent core (13) is provided with a support strip (131), the support strip (131) extends from one end of the absorbent core (13) to the other end, and the support strip (131) is distributed in an annular shape around the central axis of the absorbent core (13), and the support strip (131) is in sliding contact with the inner wall of the absorbent cavity (11).

5. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 4, characterized in that: Isolation rings (14) are evenly arranged inside the absorption chamber (11); the absorption core (13) slides through the middle opening of the isolation ring (14); a slide groove (141) is arranged at a position corresponding to the support bar (131) on the inner wall of the isolation ring (14); and the support bar (131) slides and fits into the slide groove (141).

6. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 5, characterized in that: The middle part of the isolation ring (14) is provided with an annular receiving groove (142), the side wall of the absorbent core (13) is provided with an annular breathing portion (132) located in the middle part of the receiving groove (142), and a breathing cavity (133) is formed in the gap area between the breathing portion (132) and the outer surface of the absorbent core (13), and breathing holes (134) are evenly arranged on the inner wall of one side of the breathing cavity (133) close to the inside of the absorbent core (13).

7. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 6, characterized in that: An impact block (143) is provided on the inner wall of the accommodating groove (142), and the end of the impact block (143) points toward the outer surface of the breathing portion (132).

8. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 6, characterized in that: The end of the absorbent core (13) passes through the end opening of the positioning sealing strip (1) and is embedded in the positioning cavity (221) inside the positioning block (22), and the tensioning rope (135) at the end of the absorbent core (13) is connected to the positioning ball (222) inside the positioning cavity (221).

9. The wear-resistant and corrosion-resistant automotive sealing strip structure according to claim 8, characterized in that: The positioning ball (222) is suspended inside the positioning cavity (221), and the positioning ball (222) is connected to the inner wall of the positioning cavity (221) via an elastic rope (223).

10. A method for preparing a wear-resistant and corrosion-resistant automobile sealing strip structure, the method being used to prepare the automobile sealing strip structure according to any one of claims 1 to 9, characterized in that: The specific steps of the preparation method are: S1: First, a silicone rubber hose is selected, through holes are evenly opened on the surface, and then dry adsorbent material is filled into the hollow part inside, and both ends are sealed to prepare an absorbent core (13), and tension ropes (135) are fixedly connected to both ends of the absorbent core (13); S2: preparing an annular rubber piece made of silicone rubber, embedding it on the outer surface of the absorbent core (13), maintaining uniform distribution, and using sewing or gluing to fix the annular rubber piece relative to the outer surface of the absorbent core (13), thereby forming a breathing portion (132) on the outer surface of the absorbent core (13); S3: Selecting polyurethane rubber as a raw material, preparing a blank of the positioning sealing strip (1) by extrusion molding or mold molding, wherein the blank is hollow inside to form an absorption cavity (11); cutting the side wall of the absorption cavity (11) from the middle to expose the inner wall of the absorption cavity (11), adhering dust-absorbing fibers to the inner wall of the absorption cavity (11), and evenly opening absorption holes (12) on the side wall of the absorption cavity (11); S4: Slidingly nesting the elastic isolation ring (14) in the position corresponding to the breathing part (132) on the absorption core (13), then nesting the isolation ring (14) and the absorption core (13) inside the absorption chamber (11), so that the isolation ring (14) is fixedly connected to the inner wall of the absorption chamber (11), and the incision in the middle part of the side wall of the absorption chamber (11) is closed, thereby realizing the processing of the positioning sealing strip (1), and finally nesting the positioning sealing strip (1) into the positioning groove (23) on the storage box (2).

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