CN112793195A - Pull rivet tire repair nail - Google Patents
Pull rivet tire repair nail Download PDFInfo
- Publication number
- CN112793195A CN112793195A CN202110229022.5A CN202110229022A CN112793195A CN 112793195 A CN112793195 A CN 112793195A CN 202110229022 A CN202110229022 A CN 202110229022A CN 112793195 A CN112793195 A CN 112793195A
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- Prior art keywords
- tire
- nail body
- flange
- slot
- nail
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- 230000008439 repair process Effects 0.000 title claims abstract description 43
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 51
- 239000003292 glue Substances 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 28
- 230000004323 axial length Effects 0.000 claims description 11
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000005498 polishing Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
- B29C73/06—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using plugs sealing in the hole
- B29C73/08—Apparatus therefor, e.g. for inserting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
- B29C2073/262—Apparatus or accessories not otherwise provided for for mechanical pretreatment for polishing, roughening, buffing or sanding the area to be repaired
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
本发明公开了一种拉铆式补胎钉，钉体的一端端部沿钉体的轴向设有槽孔A，槽孔A的槽底连通设有槽孔B，槽孔B的内壁设有内螺纹，钉体设有槽孔A的一端向外设有翻边A，钉体对应于槽孔A的部分、沿着从翻边A至槽孔B的方向依次为加强部和变形部，钉体对应于槽孔B的部分为受拉部，翻边A为与所补轮胎的胎面底胶层的外侧面贴合的弧面结构A；当受拉部受力向翻边A一侧移动的时候，变形部的中部向外鼓起形成翻边B，翻边A和翻边B将所补轮胎的胎面底胶层至气密层之间的胎体层部分夹紧固定。从上述结构可知，本发明的拉铆式补胎钉，通过钉体的翻边A和变形部所形成的翻边B从所补轮胎破损处的通孔将胎体层夹紧密封固定，从而达到补胎效果。
The invention discloses a rivet-type tire repair nail. One end of the nail body is provided with a slot A along the axial direction of the nail body, the bottom of the slot A is communicated with a slot B, and the inner wall of the slot B is provided with a slot A. There is an internal thread, the end of the nail body with the slot hole A is provided with a flange A outward, and the part of the nail body corresponding to the slot hole A, along the direction from the flange A to the slot hole B, are the reinforcement part and the deformation part in turn. , the part of the nail body corresponding to the slot B is the tension part, and the flange A is the camber surface structure A that fits with the outer side of the tread bottom rubber layer of the tire to be repaired; when the tension part is stressed to the flange A When one side moves, the middle of the deformed part bulges outward to form a flange B, and the flange A and the flange B clamp and fix the part of the carcass layer between the undertread layer and the inner liner of the repaired tire. . It can be seen from the above structure that the riveted tire repair nail of the present invention clamps and seals the carcass layer from the through hole of the damaged tire to be repaired through the flange A of the nail body and the flange B formed by the deformed part, so that To achieve the tire repair effect.
Description
Technical Field
The invention relates to the technical field of tire repairing devices for vacuum tires, in particular to a pull rivet type tire repairing nail.
Background
The vacuum tire is a pneumatic tire without an inner tube, also called a low-pressure tire or a pneumatic tire, and has high elasticity and wear resistance, good adhesive force and heat dissipation performance. Vacuum tires are increasingly used on bicycles, motorcycles, cars, passenger cars, and trucks.
The vacuum tire is divided into three parts: carcass, cord fabric, tread. The tyre body is softer, the rigidity of the outer tyre surface is larger, the middle cord thread plays a role in reinforcing the strength and shaping of the tyre body, and the metal wire is additionally added to improve the elastic performance of the tyre.
At present, two methods are generally adopted when the tire is repaired, wherein one method is to directly attach a tire repairing paste on an inner liner of the tire, and the other method is to repair the tire through mushroom nails. However, both of these two tire repair methods have certain limitations, that is, after the damaged portion of the tire is ground into a regular through hole, if the hole diameter exceeds 6mm, tire repair is generally not recommended, and in addition, repair is generally not recommended for the damaged portion of the sidewall, because the effect after tire repair is poor, tire replacement is recommended, which increases the use cost and reduces the service life of the tire. The main reason is that after the damaged part is large in size or located at the damaged part of the tire side, even after tire repair, because the through hole has no supporting force, when the tire runs under rated air pressure, the tire bulges at the tire repair part, and the tire puncture phenomenon may happen seriously. In addition, the tyre can not be repaired by the mushroom nails when the inclination of the through holes at the damaged positions is larger than 15 degrees, and the tyre repairing effect is poor mainly because the sealing condition between the mushroom nails and the through holes is influenced if the inclination is too large.
Disclosure of Invention
The invention aims to: the pull rivet type tire repair nail overcomes the defects of the prior art, and clamps, seals and fixes the tire body layer from the through hole at the damaged part of the repaired tire through the flange A of the nail body and the flange B formed by the deformation part, thereby achieving the tire repair effect; the cambered surface structure A of the flanging A, the cambered surface structure C at the boundary of the reinforcing part and the deformation part, and the cambered surface structure D between the deformation part and the tension part and positioned at the bottom of the groove hole A ensure that the flanging B is attached to the cambered surface structure E formed on the airtight layer of the repaired tire, thereby ensuring the tire repairing and sealing effects of the nail body; according to the different sizes of the repaired tires and the different damage diameters of the repaired tires, the nails and the fittings thereof with different sizes and structures can be matched and selected for tire repair, so that the applicability of the invention is improved; the nail body can conveniently pass through the tire through hole through the cambered surface structure B of the nail body, and the sealing sleeve can be prevented from being punctured by the nail body; the polygonal structure of the turned-over edge A ensures that the nail body and the turned-over edge A can not rotate around the axial direction of the nail body relative to the repaired tire, thereby ensuring the tire repairing effect; when the rivet type tire repairing nail is fixed with a repaired tire, the operation is convenient, even when the tire air-tight layer is polished, after a tire through hole polished from the damaged part of the repaired tire is inserted into the tire through the spherical grinding wheel grinding head, the polishing device is pulled out until the spherical grinding wheel grinding head is contacted with the repaired tire and the air-tight layer corresponding to the hole opening of the tire through hole, and then the air-tight layer in a corresponding area can be polished through circumferential stirring polishing, so that the tire is not even repaired after being separated from the hub; by the action of the protective sleeve, the steel wires in the tire body layer of the repaired tire are prevented from deforming to damage the sealing sleeve in the running process of the tire, and the service life of the tire after tire repair is ensured; the nail body is a solid body under the action of the supporting bolt, so that the strength of the nail body is improved; the supporting bolt and the nail body are fixed through the fixing glue A, so that the supporting bolt is prevented from rotating relative to the nail body due to deformation and vibration during running of the tire, the supporting bolt is further screwed out of the nail body to influence running of the tire, and even the tire repair part of the tire is prevented from being damaged again; the nut positions of the supporting bolts are used for ensuring that the supporting bolts cannot be contacted with the ground to influence the normal use of the tire before the tire is worn and replaced; through the action of the fixing glue B, the air leakage between the bottom glue layer of the tire and the flanging A or between the air-tight layer of the tire and the flanging B is further ensured because the tire deforms in the running process of the tire, and the tire repairing effect is further ensured; the pull rivet type tire repair nail can also be used for repairing the tire on the side surface of the repaired tire; through the strip-shaped through holes formed in the deformation part, the outer diameter of the turned edge B formed after deformation of the deformation part is increased, the stress area of the turned edge B and the tire is increased, and the fixing strength of the turned edge B and the tire is guaranteed.
The technical scheme adopted by the invention is as follows:
the rivet-pulling type tire-repairing nail comprises a nail body, wherein a slotted hole A is formed in the end part of one end of the nail body along the axial direction of the nail body, a slotted hole B is communicated with the bottom of the slotted hole A, an internal thread is arranged on the inner wall of the slotted hole B, the inner diameter of the slotted hole A is larger than or equal to the major diameter of the internal thread of the slotted hole B, a flanging A is outwards arranged at one end of the nail body, which is provided with the slotted hole A, a part of the nail body, which corresponds to the slotted hole A, sequentially comprises a reinforcing part and a deforming part along the direction from the flanging A to the slotted hole B, the strength of the reinforcing part is larger than that of the deforming part, and a part; when the tension part is stressed to move towards one side of the flanging A, the middle part of the deformation part bulges outwards to form a flanging B, and the flanging A and the flanging B clamp and fix the carcass layer part between the tread primer layer and the air-tight layer of the repaired tire.
The invention has the further improvement scheme that the opposite end of the nail body, which is positioned at the flanging A, is of a cambered surface structure B which is smoothly connected with the side wall of the nail body.
According to a further improved scheme of the invention, the flanging A is of a polygonal structure.
According to a further improvement scheme of the invention, the turnup A is an arc surface structure A attached to the outer side surface of the tread primer layer of the repaired tire, and an arc surface structure C formed at the boundary of the reinforcing part and the deformation part and an arc surface structure D of the groove bottom of the groove hole A are coaxial with the arc surface structure A of the turnup A.
According to a further improved scheme of the invention, the included angle between the turned-over edge A and the nail body is less than or equal to 90 degrees.
In a further improvement of the invention, the axial distance between the cambered surface structure C formed at the boundary of the reinforcing part and the deformation part and the end surface of the turned-over edge A facing to one side of the cambered surface structure B is smaller than the thickness of the carcass layer of the repaired tire.
According to a further improved scheme of the invention, the outer surface of the nail body is coated with a sealing sleeve for sealing, the sealing sleeve is made of elastic materials, the outer surface of the sealing sleeve and the position corresponding to the reinforcing part are sleeved with a protective sleeve, and cambered surfaces of two ends of the protective sleeve are coaxial with the cambered surface structure A.
In a further improvement of the invention, when the protective sleeve is sleeved outside the sealing sleeve, the outer side wall of the protective sleeve is flush with the outer side wall of the sealing sleeve sleeved on the nail body.
According to a further improvement scheme of the invention, the axial length of the protective sleeve is smaller than the axial distance between an arc-shaped structure C formed at the boundary of the reinforcing part and the deformation part and the end face of one side of the turned edge A facing the arc-shaped structure B.
In a further development of the invention, the axial length of the protective sleeve is smaller than the thickness of the carcass layer clamped and fixed by the turned-up edge a and the turned-up edge B.
In a further improvement scheme of the invention, a plurality of strip-shaped through holes communicated with the groove hole A are axially formed in the position, corresponding to the deformation part, of the side wall of the nail body, and the strip-shaped through holes are uniformly distributed on the side wall of the nail body.
According to a further improvement of the invention, when the deformation part forms the turned edge B, the strip-shaped through hole is filled with sealant.
According to a further improvement of the invention, after the nail body is fixed with the repaired tire, a support bolt is fixed in the nail body through the internal thread of the slot hole B, a nut of the support bolt extends out of the slot hole A, and the distance between the end face of the nut and the axis of the repaired tire is smaller than or equal to the distance between the wear safety line of the repaired tire and the axis of the repaired tire.
In a further improvement of the invention, a fixing glue A is filled between the external thread of the supporting bolt and the internal thread of the slotted hole B.
In a further improvement scheme of the invention, fixing glue B is filled between the connection positions of the tread bottom glue layer and the turnup A and between the connection positions of the air-tight layer and the turnup B of the carcass layer of the repaired tire.
In a further development of the invention, the wall thickness of the reinforcement is greater than the wall thickness of the deformation and the wall thickness of the reinforcement is smaller than the wall thickness of the tension.
The invention has the beneficial effects that:
first, the pull rivet type tire repair nail of the present invention clamps, seals and fixes the carcass layer from the through hole at the damaged portion of the repaired tire through the flange a of the nail body and the flange B formed by the deformation portion, thereby achieving the tire repair effect.
Secondly, the rivet pulling type tire repairing nail ensures the tire repairing sealing effect of the nail body by the cambered surface structure A of the flanging A, the cambered surface structure C at the boundary of the reinforcing part and the deformation part and the cambered surface structure D between the deformation part and the tension part and positioned at the bottom of the groove hole A, so that the flanging B and the cambered surface structure E attached to the airtight layer of the repaired tire are ensured.
Thirdly, according to the rivet type tire repairing nail provided by the invention, the tire can be repaired by matching and selecting the nail bodies and the fittings thereof with structures with different sizes according to different sizes of repaired tires and different damage diameters of the repaired tires, so that the applicability of the invention is improved.
Fourthly, the rivet-pulling type tire repair nail provided by the invention can facilitate the nail body to pass through the tire through hole through the cambered surface structure B of the nail body, and can also prevent the sealing sleeve from being punctured by the nail body.
Fifth, the rivet-pulling type tire repairing nail of the invention has the polygonal structure of the turned-over edge A, so that the nail body and the turned-over edge A can not rotate around the axial direction of the nail body relative to a repaired tire, thereby ensuring the tire repairing effect.
Sixth, the pull-rivet type tire repair nail of the present invention is convenient to operate when being fixed to a tire to be repaired by the pull-rivet type tire repair nail, and even when the tire inner liner is polished, after the tire through hole polished from the damaged portion of the tire to be repaired is inserted into the tire by the spherical grinding wheel head, the polishing device is pulled out until the spherical grinding wheel head contacts the tire to be repaired and the inner liner corresponding to the opening position of the tire through hole, and then the inner liner corresponding to the region can be polished by performing circumferential agitation type polishing, so that the tire repair is not even required to be performed after the tire is separated from the hub.
Seventh, the rivet-pulling type tire repairing nail of the invention prevents the sealing sleeve from being damaged due to the deformation of the steel wire in the tire body layer of the repaired tire in the running process of the tire through the action of the protective sleeve, and ensures the service life of the tire after tire repairing.
Eighth, the rivet-pulling type tire repair nail provided by the invention has the advantages that the nail body is a solid body under the action of the supporting bolt, and the strength of the nail body is improved.
Ninth, the rivet pulling type tire repairing nail of the invention fixes the support bolt and the nail body through the fixing glue A, thereby avoiding the phenomenon that the support bolt rotates relative to the nail body due to deformation and vibration in the running process of the tire, and further the support bolt is screwed out of the nail body to influence the running of the tire, and even the tire repairing position is damaged again.
Tenth, the rivet-pulling type tire repair nail of the invention ensures that the support bolt does not contact with the ground to affect the normal use of the tire before the tire is worn and replaced by the nut position of the support bolt.
Eleventh, the rivet-pulling type tire repair nail of the present invention further prevents the air leakage between the base rubber layer of the tire and the flange a or between the inner liner and the flange B due to the deformation of the tire during the running of the tire by the fixing rubber B, and further ensures the tire repair effect.
Twelfth, the pull rivet type tire repair nail of the present invention can be used for tire repair on the side surface of a tire to be repaired.
Thirteenth, according to the rivet type tire repair nail of the present invention, the outer diameter of the flange B formed after the deformation of the deformation portion is increased by the strip through hole formed in the deformation portion, so as to increase the stressed area of the flange B and the tire, and ensure the fixing strength of the flange B and the tire.
Description of the drawings:
fig. 1 is a schematic front sectional view of embodiment 1 of the present invention.
Fig. 2 is a schematic front sectional view of embodiment 2 of the present invention.
Fig. 3 is a schematic front sectional view of embodiment 3 of the present invention.
FIG. 4 is a schematic top view of embodiments 1 to 3 of the present invention.
Fig. 5 is a schematic bottom view of embodiment 1 of the present invention.
Fig. 6 is a schematic bottom view of examples 2 and 3 of the present invention.
FIG. 7 is a schematic sectional front view showing the embodiment 1 after being subjected to tensile deformation.
FIG. 8 is a schematic sectional front view showing the embodiment 2 after being subjected to tensile deformation.
FIG. 9 is a schematic sectional front view showing the embodiment 3 after being subjected to tensile deformation.
FIG. 10 is a schematic sectional front view showing a tire after repair in example 1.
FIG. 11 is a schematic cross-sectional front view after the repair of the tire according to example 2.
FIG. 12 is a schematic sectional front view showing a tire after repair in example 3.
The specific implementation mode is as follows:
example 1
As can be seen from fig. 1, 4, 5, 7 and 10, the rivet-pulling type tire repairing nail comprises a nail body 1, wherein one end of the nail body 1 is provided with a slot a2 along the axial direction of the nail body 1, the slot bottom of the slot a2 is communicated with a slot B3, the inner wall of the slot B3 is provided with an internal thread, the inner diameter of the slot a2 is larger than or equal to the major diameter of the internal thread of the slot B3, one end of the nail body 1 provided with a slot a2 is provided with a flange a4 outwards, the part of the nail body 1 corresponding to the slot a2 is provided with a reinforcing part 5 and a deformation part 6 in sequence along the direction from a flange a4 to the slot B3, the strength of the reinforcing part 5 is larger than that of the deformation part 6, the part of the nail body 1 corresponding to the slot B3 is a tension part 7, and the flange a4 is an arc surface structure a attached to the outer side surface of the bottom rubber layer of the repaired tire; when the tension part 7 is forced to move towards the side of the turned-over edge A4, the middle part of the deformation part 6 bulges outwards to form a turned-over edge B12, and the turned-over edge A4 and the turned-over edge B12 clamp and fix the part of the carcass layer 16 between the tread bottom rubber layer and the air-tight layer of the repaired tire 15; the opposite end of the nail body 1, which is positioned at the flanging A4, is of an arc-shaped structure B8 which is smoothly connected with the side wall of the nail body 1; the flange A4 is of a polygonal structure; the cambered surface structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the cambered surface structure D of the groove bottom of the groove hole A2 are coaxial with the cambered surface structure A of the flanging A4; the included angle between the turned edge A4 and the nail body 1 is less than or equal to 90 degrees; the axial distance between the cambered structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the end face of the turned-over edge A4 facing to the cambered structure B8 is smaller than the thickness of the carcass layer 16 of the repaired tire 15; after the nail body 1 is fixed with the repaired tire 15, a support bolt 13 is fixed in the nail body 1 through the internal thread of the slot B3, a nut 14 of the support bolt 13 extends out of the slot A2, and the distance between the end surface of the nut 14 and the axis of the repaired tire 15 is smaller than or equal to the distance between the wear safety line of the repaired tire 15 and the axis of the repaired tire 15; fixing glue A is filled between the external thread of the supporting bolt 13 and the internal thread of the slotted hole B3; fixing glue B19 is filled between the joints of the tread bottom glue layer and the turnup A4 and between the joints of the air-tight layer and the turnup B12 of the carcass layer 16 of the repaired tire 15; the wall thickness of the reinforcement 5 is greater than the wall thickness of the deformation 6, and the wall thickness of the reinforcement 5 is less than the wall thickness of the tension 7.
When the method is used, a hole at the damaged part of the repaired tire 15 is firstly ground into a tire through hole with a circular section, and then the nail body 1 with a proper size is selected according to the diameter of the tire through hole, so that the diameter of the nail body 1 and the diameter of the tire through hole are in interference fit; then according to the size of the turned edge A4 of the selected nail body 1, the tread surface 17 of the repaired tire 15 and the position corresponding to the through hole are ground to a primer layer, and ground to be a groove 18 matched with the shape and size of the turned edge A4; polishing the inner liner of the repaired tire 15 according to the axial length of the deformation part 6 of the selected nail body 1, wherein the polished area of the inner liner corresponds to the size of a turned edge B12 formed by the deformation part 6; then, coating fixing glue B19 on the end face of one side of the turnup A4 of the nail body 1 facing the nail body 1, the outer side wall of the nail body 1 and the part which is in contact with the air-tight layer after forming the turnup B12 corresponding to the deformation part 6; then, the through hole of the tire is spread, and one end of the cambered surface structure 8 of the nail body 1 is inserted into the through hole of the tire and then positioned in the tire until the flange A4 of the nail body is contacted with the bottom glue layer in the area of the groove 18; at this time, the tire 15 is inflated until the air pressure in the tire is smaller than the rated tire pressure of the repaired tire 15; then, the external thread of the gun head of the hand riveter extends into the nail body 1 and then is connected with the internal thread of the groove hole B3 of the tension part 7, then the tension part 7 is pulled to one side of the flanging A4 through the hand riveter so that the middle part of the deformation part 6 expands outwards to form a flanging B12, and the flanging B12 is attached to the inner liner of the repaired tire 15; and keeping for a period of time under the action of a rivet gun, so that the turnup B12 and the turnup A4 tightly clamp the carcass layer 16 of the repaired tire, and further completely bonding the fixing glue B19 between the turnup B12 and the air-tight layer and the fixing glue B19 between the turnup A4 and the primer layer; finally, separating the external thread of the gun head of the hand riveter from the internal thread of the groove hole B3 of the tension part 7 and then pulling out the nail body 1; and finally, coating fixing glue A on the surface of the external thread of the supporting bolt 13 matched with the internal thread of the slotted hole B3, and screwing and fixing the supporting bolt 13 and the internal thread of the slotted hole B3. After the fixing glue A is solidified, the repaired tire 15 is inflated to the rated tire pressure, and then the tire repairing operation can be completed.
The embodiment is particularly suitable for the condition that the diameter of the through hole of the tire which is polished by the repaired tire 15 is less than or equal to 6mm, and the fixing glue B19 plays a role in sealing.
Example 2
As can be seen from fig. 2, 4, 6, 8 and 11, the rivet-pulling type tire repairing nail comprises a nail body 1, wherein one end of the nail body 1 is provided with a slot a2 along the axial direction of the nail body 1, the slot bottom of the slot a2 is communicated with a slot B3, the inner wall of the slot B3 is provided with an internal thread, the inner diameter of the slot a2 is larger than or equal to the major diameter of the internal thread of the slot B3, one end of the nail body 1 provided with a slot a2 is provided with a flange a4 outwards, the part of the nail body 1 corresponding to the slot a2 is provided with a reinforcing part 5 and a deformation part 6 in sequence along the direction from a flange a4 to the slot B3, the strength of the reinforcing part 5 is larger than that of the deformation part 6, the part of the nail body 1 corresponding to the slot B3 is a tension part 7, and the flange a4 is an arc surface structure a attached to the outer side surface of the bottom rubber layer of the repaired tire; when the tension part 7 is forced to move towards the side of the turned-over edge A4, the middle part of the deformation part 6 bulges outwards to form a turned-over edge B12, and the turned-over edge A4 and the turned-over edge B12 clamp and fix the part of the carcass layer 16 between the tread bottom rubber layer and the air-tight layer of the repaired tire 15; the opposite end of the nail body 1, which is positioned at the flanging A4, is of an arc-shaped structure B8 which is smoothly connected with the side wall of the nail body 1; the flange A4 is of a polygonal structure; the cambered surface structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the cambered surface structure D of the groove bottom of the groove hole A2 are coaxial with the cambered surface structure A of the flanging A4; the included angle between the turned edge A4 and the nail body 1 is less than or equal to 90 degrees; the axial distance between the cambered structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the end face of the turned-over edge A4 facing to the cambered structure B8 is smaller than the thickness of the carcass layer 16 of the repaired tire 15; the outer surface of the nail body 1 is coated with a sealing sleeve 9 for sealing, the sealing sleeve 9 is made of elastic materials, and the outer surface of the sealing sleeve 9 and the position corresponding to the reinforcing part 5 are sleeved with a protective sleeve 10; when the protective sleeve 10 is sleeved outside the sealing sleeve 9, the outer side wall of the protective sleeve 10 is flush with the outer side wall of the sealing sleeve 9 sleeved on the nail body 1; the cambered surfaces of the two ends of the protective sleeve 10 are coaxial with the cambered surface structure A; the axial length of the protective sleeve 10 is smaller than the axial distance between an arc structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the end face of one side of the turned edge A4 facing the arc structure B8; and the axial length of the protective sleeve 10 is smaller than the thickness of the carcass layer 16 sandwiched and fixed by the turned-up edge A4 and the turned-up edge B12; after the nail body 1 is fixed with the repaired tire 15, a support bolt 13 is fixed in the nail body 1 through the internal thread of the slot B3, a nut 14 of the support bolt 13 extends out of the slot A2, and the distance between the end surface of the nut 14 and the axis of the repaired tire 15 is smaller than or equal to the distance between the wear safety line of the repaired tire 15 and the axis of the repaired tire 15; fixing glue A is filled between the external thread of the supporting bolt 13 and the internal thread of the slotted hole B3; fixing glue B19 is filled between the joints of the tread bottom glue layer and the turnup A4 and between the joints of the air-tight layer and the turnup B12 of the carcass layer 16 of the repaired tire 15; the wall thickness of the reinforcement 5 is greater than the wall thickness of the deformation 6, and the wall thickness of the reinforcement 5 is less than the wall thickness of the tension 7.
When the hole repairing device is used, a hole at the damaged part of a repaired tire 15 is firstly ground into a tire through hole with a circular section, when the diameter of the tire through hole is larger than or equal to 6mm, a nail body 1 with a proper size is selected according to the diameter of the tire through hole, a sealing sleeve 9 is fixedly sleeved on the outer surface of the nail body 1, a protective sleeve 10 is further sleeved on the outer surface of the sealing sleeve 9 and a reinforcing part 5 corresponding to the nail body 1, and the proper nail body 1 is selected, so that the outer diameter of the protective sleeve 10 is in interference fit with the diameter of the tire through hole; then according to the size of the turned edge A4 of the selected nail body 1, the tread surface 17 of the repaired tire 15 and the position corresponding to the through hole are ground to a primer layer, and ground to be a groove 18 matched with the shape and size of the turned edge A4; polishing the inner liner of the repaired tire 15 according to the axial length of the deformation part 6 of the selected nail body 1, wherein the polished area of the inner liner corresponds to the size of a turned edge B12 formed by the deformation part 6; then, coating fixing glue B19 on the position of the outer surface of the sealing sleeve 9, which corresponds to the end face of the flange A4 of the nail body 1, facing the nail body 1, and the part of the outer surface of the sealing sleeve 9, which is in contact with the air-tight layer after forming a flange B12 corresponding to the deformation part 6 of the nail body 1; then, the through hole of the tire is spread, one end of the cambered surface structure 8 of the nail body 1 is inserted into the through hole of the tire and then is positioned in the tire until the sealing sleeve 9 at the position corresponding to the flanging A4 of the nail body is contacted with the bottom rubber layer in the groove 18 area; at this time, the tire 15 is inflated until the air pressure in the tire is smaller than the rated tire pressure of the repaired tire 15; then, the external thread of the gun head of the hand riveter extends into the nail body 1 and then is connected with the internal thread of the groove hole B3 of the tension part 7, then the tension part 7 is pulled to one side of the flanging A4 through the hand riveter so that the middle part of the deformation part 6 expands outwards to form a flanging B12, and the sealing sleeve 9 at the position corresponding to the flanging B12 is attached to the airtight layer of the repaired tire 15; keeping for a period of time under the action of a rivet gun, so that the turnup B12 and the turnup A4 tightly clamp the sealing sleeve 9 at the corresponding position and the carcass layer 16 of the repaired tire, and further completely bonding the fixing glue B19 between the sealing sleeve 9 and the inner liner at the position corresponding to the turnup B12 and the fixing glue B19 between the sealing sleeve 9 and the primer layer at the position corresponding to the turnup A4; finally, separating the external thread of the gun head of the hand riveter from the internal thread of the groove hole B3 of the tension part 7 and then pulling out the nail body 1; and finally, coating fixing glue A on the surface of the external thread of the supporting bolt 13 matched with the internal thread of the slotted hole B3, and screwing and fixing the supporting bolt 13 and the internal thread of the slotted hole B3. After the fixing glue A is solidified, the repaired tire 15 is inflated to the rated tire pressure, and then the tire repairing operation can be completed.
Example 3
As can be seen from fig. 3, 4, 6, 9 and 12, the rivet-pulling type tire repairing nail comprises a nail body 1, wherein one end of the nail body 1 is provided with a slot a2 along the axial direction of the nail body 1, the slot bottom of the slot a2 is communicated with a slot B3, the inner wall of the slot B3 is provided with an internal thread, the inner diameter of the slot a2 is larger than or equal to the major diameter of the internal thread of the slot B3, one end of the nail body 1 provided with a slot a2 is provided with a flange a4 outwards, the part of the nail body 1 corresponding to the slot a2 is provided with a reinforcing part 5 and a deformation part 6 in sequence along the direction from a flange a4 to the slot B3, the strength of the reinforcing part 5 is larger than that of the deformation part 6, the part of the nail body 1 corresponding to the slot B3 is a tension part 7, and the flange a4 is an arc surface structure a attached to the outer side surface of the bottom rubber layer of the repaired tire; when the tension part 7 is forced to move towards the side of the turned-over edge A4, the middle part of the deformation part 6 bulges outwards to form a turned-over edge B12, and the turned-over edge A4 and the turned-over edge B12 clamp and fix the part of the carcass layer 16 between the tread bottom rubber layer and the air-tight layer of the repaired tire 15; the opposite end of the nail body 1, which is positioned at the flanging A4, is of an arc-shaped structure B8 which is smoothly connected with the side wall of the nail body 1; the flange A4 is of a polygonal structure; the cambered surface structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the cambered surface structure D of the groove bottom of the groove hole A2 are coaxial with the cambered surface structure A of the flanging A4; the included angle between the turned edge A4 and the nail body 1 is less than or equal to 90 degrees; the axial distance between the cambered structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the end face of the turned-over edge A4 facing to the cambered structure B8 is smaller than the thickness of the carcass layer 16 of the repaired tire 15; the outer surface of the nail body 1 is coated with a sealing sleeve 9 for sealing, and the outer surface of the sealing sleeve 9, corresponding to the reinforcing part 5, is sleeved with a protective sleeve 10; when the protective sleeve 10 is sleeved outside the sealing sleeve 9, the outer side wall of the protective sleeve 10 is flush with the outer side wall of the sealing sleeve 9 sleeved on the nail body 1; the cambered surfaces of the two ends of the protective sleeve 10 are coaxial with the cambered surface structure A; the axial length of the protective sleeve 10 is smaller than the axial distance between an arc structure C formed at the boundary of the reinforcing part 5 and the deformation part 6 and the end face of one side of the turned edge A4 facing the arc structure B8; and the axial length of the protective sleeve 10 is smaller than the thickness of the carcass layer 16 sandwiched and fixed by the turned-up edge A4 and the turned-up edge B12; a plurality of strip-shaped through holes 11 communicated with the slotted hole A2 are axially formed in the position, corresponding to the deformation part 6, of the side wall of the nail body 1, and the strip-shaped through holes 11 are uniformly distributed on the side wall of the nail body 1; when the deformation part 6 forms a turned edge B12, the strip-shaped through hole 11 is filled with sealant 20; after the nail body 1 is fixed with the repaired tire 15, a support bolt 13 is fixed in the nail body 1 through the internal thread of the slot B3, a nut 14 of the support bolt 13 extends out of the slot A2, and the distance between the end surface of the nut 14 and the axis of the repaired tire 15 is smaller than or equal to the distance between the wear safety line of the repaired tire 15 and the axis of the repaired tire 15; fixing glue A is filled between the external thread of the supporting bolt 13 and the internal thread of the slotted hole B3; fixing glue B19 is filled between the joints of the tread bottom glue layer and the turnup A4 and between the joints of the air-tight layer and the turnup B12 of the carcass layer 16 of the repaired tire 15; the wall thickness of the reinforcement 5 is greater than the wall thickness of the deformation 6, and the wall thickness of the reinforcement 5 is less than the wall thickness of the tension 7.
When the hole repairing device is used, a hole at the damaged part of a repaired tire 15 is firstly ground into a tire through hole with a circular section, when the diameter of the tire through hole is larger than or equal to 6mm, a nail body 1 with a proper size is selected according to the diameter of the tire through hole, a sealing sleeve 9 is fixedly sleeved on the outer surface of the nail body 1, a protective sleeve 10 is further sleeved on the outer surface of the sealing sleeve 9 and a reinforcing part 5 corresponding to the nail body 1, and the proper nail body 1 is selected, so that the outer diameter of the protective sleeve 10 is in interference fit with the diameter of the tire through hole; then according to the size of the turned edge A4 of the selected nail body 1, the tread surface 17 of the repaired tire 15 and the position corresponding to the through hole are ground to a primer layer, and ground to be a groove 18 matched with the shape and size of the turned edge A4; polishing the inner liner of the repaired tire 15 according to the axial length of the deformation part 6 of the selected nail body 1, wherein the polished area of the inner liner corresponds to the size of a turned edge B12 formed by the deformation part 6; then, coating fixing glue B19 on the position of the outer surface of the sealing sleeve 9, which corresponds to the end face of the flange A4 of the nail body 1, facing the nail body 1, and the part of the outer surface of the sealing sleeve 9, which is in contact with the air-tight layer after forming a flange B12 corresponding to the deformation part 6 of the nail body 1; then, the through hole of the tire is spread, one end of the cambered surface structure 8 of the nail body 1 is inserted into the through hole of the tire and then is positioned in the tire until the sealing sleeve 9 at the position corresponding to the flanging A4 of the nail body is contacted with the bottom rubber layer in the groove 18 area; at this time, the tire 15 is inflated until the air pressure in the tire is smaller than the rated tire pressure of the repaired tire 15; then, the external thread of the gun head of the hand riveter extends into the nail body 1 and then is connected with the internal thread of the groove hole B3 of the tension part 7, then the tension part 7 is pulled to one side of the flanging A4 through the hand riveter, so that the middle part of the deformation part 6 expands outwards to form a petaloid flanging B12, and the sealing sleeve 9 at the position corresponding to the flanging B12 is attached to the airtight layer of the repaired tire 15; keeping for a period of time under the action of a rivet gun, so that the turnup B12 and the turnup A4 tightly clamp the sealing sleeve 9 at the corresponding position and the carcass layer 16 of the repaired tire, and further completely bonding the fixing glue B19 between the sealing sleeve 9 and the inner liner at the position corresponding to the turnup B12 and the fixing glue B19 between the sealing sleeve 9 and the primer layer at the position corresponding to the turnup A4; then separating the external thread of the gun head of the hand riveter from the internal thread of the groove hole B3 of the tension part 7 and then pulling out the nail body 1; then, filling the sealant 20 into the nail body, so that the strip-shaped through hole 11 of the deformation part 6 is filled with the sealant 20, thereby protecting and supporting the sealing sleeve 9 corresponding to the strip-shaped through hole 11 between two adjacent flaps of the flanging B12; and finally, coating fixing glue A on the surface of the external thread of the supporting bolt 13 matched with the internal thread of the slotted hole B3, and screwing and fixing the supporting bolt 13 and the internal thread of the slotted hole B3. After the fixing glue A is solidified, the repaired tire 15 is inflated to the rated tire pressure, and then the tire repairing operation can be completed.
The embodiment is also particularly suitable for repairing the side wall of the tire, because the carcass of the side wall has no supporting force, the deformed part provided with the strip-shaped through hole 11 has larger outer diameter of the turned-over edge B12 after being deformed by force, and the contact range of the bottom rubber layer and the airtight layer corresponding to the repaired tire 15 is increased, so that the connection strength and the connection effect of the nail body 1 and the repaired tire 15 are ensured.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229022.5A CN112793195A (en) | 2021-03-02 | 2021-03-02 | Pull rivet tire repair nail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229022.5A CN112793195A (en) | 2021-03-02 | 2021-03-02 | Pull rivet tire repair nail |
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| CN112793195A true CN112793195A (en) | 2021-05-14 |
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| CN202110229022.5A Pending CN112793195A (en) | 2021-03-02 | 2021-03-02 | Pull rivet tire repair nail |
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| CN (1) | CN112793195A (en) |
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| TW315791U (en) * | 1997-03-17 | 1997-09-11 | zheng-shun Huang | Tire repair pen and tire repair nail |
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2021
- 2021-03-02 CN CN202110229022.5A patent/CN112793195A/en active Pending
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