Spare tire fixing bolt disassembling and assembling jig

Abstract

The utility model discloses a spare tire fixing bolt disassembling and assembling jig which comprises a screwdriver and a disassembling and assembling piece, and the screwdriver comprises a driving mechanism and an adapter in transmission connection with the driving mechanism; the disassembly and assembly part comprises a disassembly and assembly seat and a connector, a groove used for containing the spare tire fixing bolt is formed in one end of the disassembly and assembly seat, the other end of the disassembly and assembly seat is connected with the connector, the connector is connected with the adapter, and the driving mechanism can drive the spare tire fixing bolt located in the groove to rotate through the adapter, the connector and the disassembly and assembly seat; an air exhaust hole communicated with the groove is further formed in the disassembly and assembly seat and is used for being communicated with air exhaust equipment. The driving mechanism drives the dismounting and mounting base to rotate through the adapter and the connector, the rotating dismounting and mounting base drives the spare tire fixing bolt located in the groove to rotate, so that dismounting and mounting of the spare tire fixing bolt are completed, and compared with dismounting and mounting by manually twisting the spare tire fixing bolt, manpower is saved, and the time spent on dismounting and mounting of the spare tire fixing bolt is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle rain testing, in particular to a disassembly and assembly jig for spare tire fixing bolts. Background Art

[0002] At present, mainstream automobile manufacturers at home and abroad use hand senses to confirm the precision rain evaluation test. When evaluating whether the rear trunk is leaking, it is necessary to twist the spare tire fixing bolts by hand to confirm the disassembly and assembly. This process is mainly a one-person operation, and the spare tire is removed for inspection by twisting the spare tire fixing bolts. According to the precision requirements of the precision rain test, the four doors and the trunk must be confirmed for leaks, and related parts need to be disassembled and assembled. If they are not disassembled, it is impossible to check whether there is a leak. In actual operation, it takes 120 seconds per unit to disassemble and assemble the spare tire fixing bolts of the trunk by hand, and the bolt torque value is: 4 to 6N. For the operator, the wrist is subjected to force for a long time during disassembly and assembly, and it is easy to sprain.

[0003] In view of this, it is necessary to provide a new spare tire fixing bolt disassembly and assembly jig to solve or at least alleviate the above technical defects. Utility Model Content

[0004] The main purpose of the utility model is to provide a jig for disassembling and assembling the fixing bolts of a spare tire, aiming to solve the technical problem that the existing disassembling and assembling of the fixing bolts of the spare tire consumes much manpower.

[0005] In order to achieve the above-mentioned object, the utility model provides a spare tire fixing bolt disassembly and assembly jig, the spare tire fixing bolt disassembly and assembly jig comprising:

[0006] A screwdriver, the screwdriver comprising a driving mechanism and an adapter drivingly connected to the driving mechanism;

[0007] The disassembly and assembly part includes a disassembly and assembly seat and a connecting head, one end of the disassembly and assembly seat is provided with a groove for accommodating the spare tire fixing bolt, the other end of the disassembly and assembly seat is connected to the connecting head, and the connecting head is connected to the adapter, and the driving mechanism can drive the spare tire fixing bolt located in the groove to rotate through the adapter, the connecting head and the disassembly and assembly seat; the disassembly and assembly seat is also provided with an exhaust hole connected to the groove, and the exhaust hole is used to be connected to the exhaust device.

[0008] In one embodiment, the disassembly and assembly seat includes a connecting seat and a base, the outer diameter of the base is larger than the outer diameter of the connecting seat, one end of the connecting seat is connected to the base, and the other end of the connecting seat is connected to the connecting head, the groove is provided at one end of the base facing away from the connecting seat, and the exhaust hole is provided on the side of the base facing the connecting seat.

[0009] In one embodiment, a through hole is further provided on a side of the base facing the connecting seat, and the through hole is connected to the groove. The disassembly and assembly part also includes a push rod, and the push rod is sealed and connected to the through hole and can move relative to the through hole. The through hole and the push rod both extend along the axial direction of the base, and the push rod is used to push the spare tire fixing bolt located in the groove out of the groove.

[0010] In one embodiment, the push rod includes a rod body and a sealing ring, the sealing ring is embedded in the inner wall of the through hole, the rod body passes through the inner ring of the sealing ring, the inner ring of the sealing ring is used to seal and fit with the outer wall of the rod body, and the rod body can slide back and forth relative to the sealing ring along the extension direction of the through hole.

[0011] In one embodiment, the disassembly and assembly part also includes a limiting part, which is connected to the end of the push rod away from the groove, and the limiting part is used to abut against the side of the base facing the connecting seat, so that the limiting part can prevent the end of the push rod away from the groove from entering the through hole.

[0012] In one embodiment, the shape of the groove is adapted to match the outer contour of the spare tire fixing bolt, so that the disassembly and assembly seat can drive the spare tire fixing bolt to rotate synchronously.

[0013] In one embodiment, the connector is detachably connected to the adapter.

[0014] In one embodiment, the screwdriver is an electric screwdriver.

[0015] In one embodiment, a bolt column is provided at one end of the connector away from the assembly and disassembly seat, and the bolt column is snap-fitted with the adapter.

[0016] In one embodiment, the disassembly and assembly seat is an integrally formed disassembly and assembly seat.

[0017] In the above technical scheme of the utility model, when it is necessary to disassemble and assemble the spare tire fixing bolt, the disassembly and assembly seat cover is first arranged on the spare tire fixing bolt so that the spare tire fixing bolt is located in the groove, one end of the connecting head is connected to the disassembly and assembly seat, and the other end of the connecting head is connected to the adapter, and the driving mechanism drives the disassembly and assembly seat to rotate through the adapter and the connecting head, and the rotating disassembly and assembly seat drives the spare tire fixing bolt located in the groove to rotate, thereby completing the disassembly and assembly of the spare tire fixing bolt. Compared with disassembling and assembling the spare tire fixing bolt by manually twisting the spare tire fixing bolt, the use of a spare tire fixing bolt disassembly and assembly fixture saves manpower and time spent on disassembling and assembling the spare tire fixing bolt; at the same time, the air extraction device extracts air through The hole extracts air in the groove, so that negative pressure is formed in the groove, and the spare tire fixing bolt is fixed in the groove by the external atmospheric pressure. After the removal of the spare tire fixing bolt is completed, the operator will also take the spare tire fixing bolt away from its installation position when lifting the screwdriver, eliminating the operator's process of removing the spare tire fixing bolt separately, saving manpower; when the spare tire fixing bolt needs to be reinstalled to the previous position, the spare tire fixing bolt will be moved together with the screwdriver, eliminating the process of placing the spare tire fixing bolt at the installation position separately and setting the groove cover on the spare tire fixing bolt, which also saves manpower and reduces the time spent on disassembling and installing the spare tire fixing bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation mode of the utility model or the technical solution in the prior art, the drawings required for use in the implementation mode or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the utility model. For ordinary technicians in this field, other drawings can be obtained by using the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a structural schematic diagram of the disassembly and assembly parts of the spare tire fixing bolt disassembly and assembly fixture according to an embodiment of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above;

[0021] Figure 3 The figure is a schematic structural diagram of a jig for disassembling and assembling a spare tire fixing bolt according to an embodiment of the utility model.

[0022] Description of Figure Numbers:

[0023]

[0024] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that all directional indications (such as up and down) in the embodiments of the present invention are only used to explain the position of the user in a certain posture (such as the attached Figure 1 The relative position relationship, movement status, etc. between the various components under the specific posture are shown. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" can explicitly or implicitly include at least one of the features.

[0028] Furthermore, the technical solutions between the various implementation modes of the present invention can be combined with each other, but this must be based on the fact that ordinary technicians in the field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0029] The utility model provides a spare tire fixing bolt disassembly and assembly fixture 1. In one embodiment, Figure 1 to Figure 3 As shown, the spare tire fixing bolt disassembly and assembly jig 1 includes a screwdriver 11 and a disassembly and assembly part 12, the screwdriver 11 includes a driving mechanism and an adapter (not shown) transmission-connected to the driving mechanism (not shown); the disassembly and assembly part 12 includes a disassembly and assembly seat 121 and a connecting head 122, one end of the disassembly and assembly seat 121 is provided with a groove 12121 for accommodating the spare tire fixing bolt, the other end of the disassembly and assembly seat 121 is connected to the connecting head 122, the connecting head 122 is connected to the adapter, the driving mechanism can drive the spare tire fixing bolt located in the groove 12121 to rotate through the adapter, the connecting head 122 and the disassembly and assembly seat 121; the disassembly and assembly seat 121 is also provided with an exhaust hole 12122 connected to the groove 12121, and the exhaust hole 12122 is used to communicate with an exhaust device.

[0030] When the spare tire fixing bolt needs to be disassembled and assembled, the disassembly seat 121 is firstly covered on the spare tire fixing bolt so that the spare tire fixing bolt is located in the groove 12121, one end of the connector 122 is connected to the disassembly seat 121, and the other end of the connector 122 is connected to the adapter, and the driving mechanism drives the disassembly seat 121 to rotate through the adapter and the connector 122, and the rotating disassembly seat 121 drives the spare tire fixing bolt located in the groove 12121 to rotate, thereby completing the disassembly and assembly of the spare tire fixing bolt. Compared with disassembling and assembling the spare tire fixing bolt by manually twisting the spare tire fixing bolt, the disassembly and assembly of the spare tire fixing bolt is performed by using the spare tire fixing bolt disassembly and assembly fixture 1, which saves manpower and time spent on disassembling and assembling the spare tire fixing bolt; at the same time, the air extraction device is used through the air extraction hole 121 22 extracts the air in the groove 12121 to form a negative pressure in the groove 12121, and fixes the spare tire fixing bolt in the groove 12121 through the external atmospheric pressure. After completing the removal of the spare tire fixing bolt, the operator will lift the screwdriver 11 and take the spare tire fixing bolt away from its installation position, eliminating the operator's process of removing the spare tire fixing bolt separately, saving manpower; when the spare tire fixing bolt needs to be reinstalled to the previous position, the spare tire fixing bolt will be moved along with it when the screwdriver 11 is moved, eliminating the process of placing the spare tire fixing bolt at the installation position separately and covering the spare tire fixing bolt with the groove 12121, which also saves manpower and reduces the time spent on disassembling and assembling the spare tire fixing bolt. It should be noted that if the exhaust hole 12122 is not provided, after the screwdriver 11 drives the disassembly seat 121 to rotate to complete the disassembly of the spare tire fixing bolt, the screwdriver 11 is removed, and the disassembled spare tire fixing bolt is likely to remain at the installation position, so the operator needs to take it out separately. It should also be noted that the time spent on disassembly and assembly of the spare tire fixing bolt using the spare tire fixing bolt disassembly and assembly fixture 1 is about 60 seconds / unit, and each unit saves 0.017 hours / unit × 203 units / day × 108.25 yuan (labor time) × 249 days / year of attendance = 93019.12 yuan / year.

[0031] In one embodiment, the disassembly seat 121 includes a connection seat 1211 and a base 1212. The outer diameter of the base 1212 is larger than the outer diameter of the connection seat 1211. One end of the connection seat 1211 is connected to the base 1212, and the other end of the connection seat 1211 is connected to the connector 122. A groove 12121 is provided at one end of the base 1212 away from the connection seat 1211, and an air extraction hole 12122 is provided at one side of the base 1212 facing the connection seat 1211. The outer diameter of the base 1212 is larger than the outer diameter of the connection seat 1211, and the outer diameter of the connection seat 1211 is designed to be smaller, thereby saving production costs.

[0032] In one embodiment, the base 1212 is further provided with a through hole 12123 on one side facing the connecting seat 1211, and the through hole 12123 is connected to the groove 12121. The disassembly component 12 also includes a push rod 123, which is sealed and connected to the through hole 12123 and can move relative to the through hole 12123. The through hole 12123 and the push rod 123 both extend along the axial direction of the base 1212, and the push rod 123 is used to push the spare tire fixing bolt located in the groove 12121 out of the groove 12121. If it is necessary to remove the spare tire fixing bolt that has been disassembled from the groove 12121, the push rod 123 can be pressed to push the spare tire fixing bolt out of the groove 12121 through the push rod 123, so that the operator can replace the spare tire fixing bolt. It should be noted that the push rod 123 is sealed and connected to the through hole 12123, which enhances the reliability of the suction device adsorbing the spare tire fixing bolt through the suction hole 12122.

[0033] In one embodiment, the push rod 123 includes a rod body 1231 and a sealing ring 1232. The sealing ring 1232 is embedded in the inner wall of the through hole 12123. The rod body 1231 passes through the inner ring of the sealing ring 1232. The inner ring of the sealing ring 1232 is used to seal and fit with the outer wall of the rod body 1231. The rod body 1231 can slide back and forth relative to the sealing ring 1232 along the extension direction of the through hole 12123. By embedding the sealing ring 1232 in the inner wall of the through hole 12123, the rod body 1231 passes through the inner ring of the sealing ring 1232 and seals and fits with the inner ring of the sealing ring 1232, so that the up and down movement of the rod body 1231 will not bring the outside air into the groove 12121, thereby affecting the suction effect of the air extraction device on the spare tire fixing bolt. It should be noted that the number of the sealing rings 1232 can be multiple, and the multiple sealing rings 1232 are arranged in sequence along the axial direction of the through hole 12123.

[0034] In one embodiment, the disassembly and assembly part 12 further includes a stopper 124, which is connected to one end of the top rod 123 away from the groove 12121, and is used to abut against one side of the base 1212 facing the connecting seat 1211, so that the stopper 124 can prevent the end of the top rod 123 away from the groove 12121 from entering the through hole 12123. By providing the stopper 124, the end of the top rod 123 away from the groove 12121 is prevented from sinking into the through hole 12123 and then falling out from the other end of the through hole 12123. It should be noted that generally, the top rod 123 will move downward under the action of gravity, and the stopper 124 is provided at the upper end of the top rod 123.

[0035] In one embodiment, the shape of the groove 12121 is adapted to the outer contour of the spare tire fixing bolt, so that the disassembly seat 121 can drive the spare tire fixing bolt to rotate synchronously. The shape of the groove 12121 is designed to be adapted to the outer contour of the fixing bolt, so that the disassembly and assembly process of the spare tire fixing bolt can be more stable and less likely to shake. It should be noted that the groove 12121 of the present application is an octagonal groove 12121.

[0036] In one embodiment, the connector 122 is detachably connected to the adapter, so that the corresponding disassembly and assembly parts 12 and the adapter can be replaced for spare tire fixing bolts of different specifications and sizes, thereby effectively improving the applicability of the spare tire fixing bolt disassembly and assembly fixture 1.

[0037] In one embodiment, the screwdriver 11 is an electric screwdriver 11. The screwdriver 11 may also be a pneumatic screwdriver 11. Whether the electric screwdriver 11 or the pneumatic screwdriver 11 is used to disassemble and assemble the spare tire fixing bolt, manpower is saved compared to manual disassembly and assembly.

[0038] In one embodiment, a bolt column 1221 is provided at one end of the connector 122 away from the assembly and disassembly seat 121, and the bolt column 1221 is engaged with the adapter, so as to facilitate the replacement of the assembly and disassembly seat 121. It should be noted that the adapter generally realizes the engagement with the bolt column 1221 by providing a slot for accommodating the bolt column 1221, or the adapter is provided with adjustable spacing teeth, and the outer wall of the bolt column 1221 is engaged by the teeth, so as to realize the engagement; the above engagement forms can be realized by using existing technologies.

[0039] In one embodiment, the disassembly seat 121 is an integrally formed disassembly seat 121. The integrally formed disassembly seat 121 is easier to process and has a higher structural strength.

[0040] The above are only preferred implementations of the utility model, and do not limit the patent scope of the utility model. All equivalent structural changes made based on the concept of the utility model and the contents of the description and drawings of the utility model, or direct / indirect application in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A spare tire fixing bolt disassembly and assembly fixture, characterized in that: include: A screwdriver, the screwdriver comprising a driving mechanism and an adapter drivingly connected to the driving mechanism; The disassembly and assembly part includes a disassembly and assembly seat and a connecting head, one end of the disassembly and assembly seat is provided with a groove for accommodating the spare tire fixing bolt, the other end of the disassembly and assembly seat is connected to the connecting head, and the connecting head is connected to the adapter, and the driving mechanism can drive the spare tire fixing bolt located in the groove to rotate through the adapter, the connecting head and the disassembly and assembly seat; the disassembly and assembly seat is also provided with an exhaust hole connected to the groove, and the exhaust hole is used to be connected to the exhaust device.

2. The spare tire fixing bolt disassembly and assembly jig according to claim 1, characterized in that: The disassembly and assembly seat includes a connecting seat and a base, the outer diameter of the base is larger than the outer diameter of the connecting seat, one end of the connecting seat is connected to the base, and the other end of the connecting seat is connected to the connecting head, the groove is provided at one end of the base away from the connecting seat, and the exhaust hole is provided on the side of the base facing the connecting seat.

3. The spare tire fixing bolt disassembly and assembly jig according to claim 2, characterized in that: The base is also provided with a through hole on one side facing the connecting seat, and the through hole is connected to the groove. The disassembly and assembly part also includes a push rod, which is sealed and connected to the through hole and can move relative to the through hole. The through hole and the push rod both extend along the axial direction of the base, and the push rod is used to push the spare tire fixing bolt located in the groove out of the groove.

4. The spare tire fixing bolt disassembly and assembly jig according to claim 3, characterized in that: The push rod includes a rod body and a sealing ring, the sealing ring is embedded in the inner wall of the through hole, the rod body passes through the inner ring of the sealing ring, the inner ring of the sealing ring is used to seal and fit with the outer wall of the rod body, and the rod body can slide back and forth relative to the sealing ring along the extension direction of the through hole.

5. The spare tire fixing bolt disassembly and assembly jig according to claim 3, characterized in that: The disassembly and assembly part also includes a limit part, which is connected to the end of the push rod away from the groove. The limit part is used to abut against the side of the base facing the connecting seat so that the limit part can prevent the end of the push rod away from the groove from entering the through hole.

6. The spare tire fixing bolt disassembly and assembly jig according to any one of claims 1 to 5, characterized in that: The shape of the groove is adapted to be matched with the outer contour of the spare tire fixing bolt, so that the disassembly and assembly seat can drive the spare tire fixing bolt to rotate synchronously.

7. The spare tire fixing bolt disassembly and assembly jig according to any one of claims 1 to 5, characterized in that: The connector is detachably connected to the adapter.

8. The spare tire fixing bolt disassembly and assembly jig according to any one of claims 1 to 5, characterized in that: The screwdriver is an electric screwdriver.

9. The spare tire fixing bolt disassembly and assembly jig according to any one of claims 1 to 5, characterized in that: A bolt column is arranged at one end of the connector away from the assembly and disassembly seat, and the bolt column is snap-fitted with the adapter.

10. The spare tire fixing bolt disassembly and assembly jig according to any one of claims 1 to 5, characterized in that: The disassembly and assembly seat is an integrally formed disassembly and assembly seat.

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