CN219212956U

CN219212956U - Fitting pulling device for automobile maintenance

Info

Publication number: CN219212956U
Application number: CN202320203694.3U
Authority: CN
Inventors: 李松丽
Original assignee: Chongqing 1949 Network Technology Co ltd
Current assignee: Chongqing 1949 Network Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-20
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of automobile maintenance tools, in particular to a fitting pulling device for automobile maintenance, which comprises a pulling device body, wherein contraction grooves are formed in the left side and the right side of the pulling device body, a telescopic plate is sleeved in the contraction grooves, a movable rod is hinged in the telescopic plate, an inner rod is sleeved in the movable rod, a supporting block is fixed at one end of the inner rod, four bearings are fixed on the inner side wall of the supporting block, and a screw rod extending to the center of the supporting block is fixed on the inner side of each bearing. This a fitting pulling device for auto repair, through the cooperation between the drive assembly, can drive gear number one simultaneously through No. two gears and rotate, consequently under the supporting role of bearing to the lead screw, simultaneously under spacing groove and stopper to interior spacing effect of piece, when the lead screw rotates, can drive interior piece and remove to can improve the area increase of supporting shoe and ground contact, consequently can effectively improve the stability of pulling up the ware body when using.

Description

Fitting pulling device for automobile maintenance

Technical Field

The utility model relates to the technical field of automobile maintenance tools, in particular to a fitting pulling device for automobile maintenance.

Background

With the development of science and technology and the improvement of living standard of people, automobiles are widely used by people. However, when the automobile is used, the internal parts are liable to be broken down, so that repair or maintenance is required at intervals, but when the parts are removed, the parts are difficult to be taken out by tools such as pliers, and therefore, the extractor is required to remove the parts.

For example, chinese patent CN 216759754U mentions a pull-out structure for auto repair, this patent is through rotary rod one that sets up, fastening cap one, rotary rod two and fastening cap two, make equipment can fold, reduced equipment and carried and make the volume size, make the pull-out ware portable more and place, be provided with supporting mechanism, can play the support when the pull-out ware demolishs the spare, and can also adjust the height as required, the adjustment mechanism of setting can adjust the position that two supporting mechanism supported according to the demand, the functionality of equipment has been improved, but supporting mechanism's bottom holding area is less in this patent, consequently holding area can not adjust, thereby lead to supporting instability, can influence the work of pull-out ware.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a fitting pulling device for automobile maintenance, which has the advantages of adjusting the occupied area of a supporting surface, thereby realizing the improvement of the stability of support and the like, and solves the problem that the existing pulling structure for automobile maintenance does not have the occupied area of the supporting surface, thereby reducing the stability of support.

(II) technical scheme

In order to achieve the purpose of adjusting the occupied area of the supporting surface and further achieving the purpose of improving the stability of the support, the utility model provides the following technical scheme: a fitting pulling device for auto repair, includes the pull-out ware body, the shrink groove has all been seted up to the left and right sides of pull-out ware body, and the expansion plate has been cup jointed to the inside in shrink groove, and the inside of expansion plate articulates there is the movable rod, and the inside of movable rod has cup jointed interior pole, and the one end of interior pole is fixed with the supporting shoe, and the inside wall of supporting shoe all is fixed with four bearings, and the inboard of bearing is fixed with the lead screw that extends to supporting shoe center department, and the outside threaded connection of lead screw has interior piece, the drive assembly that sets up between lead screw and the interior pole.

Further, the transmission assembly comprises a motor which is arranged in the two inner rods, a first gear which is fixed on the outer side of the screw rod, and a second gear which is meshed with the first gear and extends to the center of the supporting block is fixed at the output end of the motor.

Further, a plurality of equidistance arranged locating holes are formed in the tops of the two telescopic plates, two inner grooves are formed in the puller body, movable blocks are connected to the inner grooves, inserting rods which can extend to the inside of the locating holes are fixed to the inner sides of the movable blocks, and springs are sleeved on the outer sides of the inserting rods.

Further, the bottoms of the two movable rods are connected with threaded rods which can extend to the inside of the movable rods and are closely attached to the inner rod in a threaded manner, and the bottoms of the threaded rods are fixedly connected with protruding blocks.

Further, four fork openings are formed in each of the two support blocks, limiting grooves are formed in inner walls of the two support blocks, which are opposite to the fork openings, and limiting blocks connected with the inner blocks are connected to the limiting grooves in a sliding mode.

Further, the length, width and height of the inner block are respectively equal to the length, width and height of the inside of the fork of the supporting block.

(III) beneficial effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this a fitting pulling device for auto repair, through the cooperation between the drive assembly, can drive gear number one simultaneously through No. two gears and rotate, consequently under the supporting role of bearing to the lead screw, simultaneously under spacing groove and stopper to interior spacing effect of piece, when the lead screw rotates, can drive interior piece and remove to can improve the area increase of supporting shoe and ground contact, consequently can effectively improve the stability of pulling up the ware body when using.

2. This a fitting pulling device for auto repair, when the shrink groove removes through the shrink plate, can draw the expansion plate to a position and can move the movable rod to come out, simultaneously adjust the length of expansion plate according to the scene demand, thereby can the lateral adjustment movable rod's position, and cooperation between the subassembly in the inside groove, can insert into the locating hole and fix a position the expansion plate, remove interior pole in the movable rod simultaneously, thereby can adjust suitable height, under the effect of threaded rod, can play and fix a position interior pole.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a left side cross-sectional view of the left side support block attachment structure of the present utility model;

FIG. 3 is an enlarged partial schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged partial schematic view of the portion B of FIG. 1 according to the present utility model;

fig. 5 is a perspective view of the structure of the present utility model.

In the figure: 1. a puller body; 2. a shrink tank; 3. a telescoping plate; 4. positioning holes; 5. an inner tank; 6. a movable block; 7. a rod; 8. a moving rod; 9. a threaded rod; 10. a support block; 11. a bearing; 12. a screw rod; 13. an inner block; 14. a limit groove; 15. a limiting block; 16. a first gear; 17. a motor; 18. a second gear; 19. an inner rod; 20. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an accessory pulling device for automobile maintenance in this embodiment includes a pulling device body 1, a shrinkage groove 2 is formed on both sides of the pulling device body 1, a telescopic plate 3 is sleeved in the inside of the shrinkage groove 2, a groove is formed at the bottom of the telescopic plate 3, a moving rod 8 is hinged in the groove of the telescopic plate 3, an inner rod 19 is sleeved in the moving rod 8, two opposite ends of the inner rods 19 are fixedly connected with a supporting block 10, a fork is formed at the top, bottom, front and back of the supporting block 10, bearings 11 are fixedly connected to inner side walls of the four fork of the supporting block 10, a screw rod 12 extending to the center of the supporting block 10 is fixedly connected to the inner side of the bearings 11, an inner block 13 is connected to the outer side of the screw rod 12 in a threaded manner, the fork of the top supporting block 10 is taken as an example, the length, the width and the height of the inner block 13 are equal to the length, the width and the height of the inner part of the opening of the supporting block 10, and a transmission assembly is arranged between the screw rod 12 and the inner rod 19.

In addition, through the cooperation between the above-mentioned structure, can fold movable rod 8 into the recess inside through expansion plate 3 and collect, simultaneously when expansion plate 3 removes in shrink groove 2, adjustable movable rod 8, the position of interior pole 19 and supporting shoe 10, and the height of adjustable extractor body 1 is removed in movable rod 8 at interior pole 19, simultaneously under drive assembly's effect, can rotate through driving lead screw 12, consequently can drive interior piece 13 outwards removal through lead screw 12, thereby for the area that can improve supporting shoe 10, consequently can effectively improve the stability of supporting.

The transmission assembly comprises a motor 17, a first gear 16, a second gear 18 and a second gear 18, wherein the motor 17 is positioned in the two inner rods 19 and fixedly installed, the first gear 16 is fixedly connected to the outer side of the screw rod 12, the first gear 16 is positioned at the center of the supporting block 10, and the second gear 18 is fixedly connected to the output end of the motor 17 and extends to the center of the supporting block 10 to be meshed with the first gear 16.

In addition, through the cooperation between the above-mentioned subassembly, when supporting shoe 10 placed ground, start motor 17, motor 17 drove No. two gears 18 and rotate, consequently can drive No. one gear 16 at No. two gears 18 and rotate, consequently No. one gear 16 can drive all lead screws 12 and rotate to accomplish the effect of transmission.

Wherein, the locating hole 4 that a plurality of equidistance was arranged and is distributed has all been seted up at the top of two expansion plates 3, and two inside grooves 5 have been seted up to the inside of extractor body 1, and the inside swing joint of inside groove 5 has movable block 6, and the inboard fixedly connected with of movable block 6 can extend to the inside inserted bar 7 of locating hole 4, and spring 20 has been cup jointed in the outside of inserted bar 7, and spring 20's height is greater than the height of inserted bar 7.

In addition, through the cooperation between the above-mentioned subassembly, when needing to remove expansion plate 3, upwards pulling inserted bar 7, inserted bar 7 extrudees spring 20 through movable block 6, until inserted bar 7 and locating hole 4 separation, consequently, can make expansion plate 3 be arranged in shrink groove 2 and remove, consequently, can adjust the position of movable rod 8 through expansion plate 3, after moving to suitable position, make locating hole 4 and inserted bar 7 vertical symmetry, then loosen the pulling force to inserted bar 7, consequently can drive the inside that inserted bar 7 inserted into locating hole 4 through movable block 6 under spring 20's elasticity effect and fix a position expansion plate 3.

Wherein, the bottom of two movable rods 8 all threaded connection has the threaded rod 9 that can extend to the inside of movable rod 8 and interior pole 19 closely pastes, and the bottom fixedly connected with lug of threaded rod 9.

In addition, through the cooperation between the above-mentioned structures, when interior pole 19 removes in movable rod 8, can realize height-adjusting, when adjusting to suitable height, through lug convenient to use person rotates threaded rod 9, until threaded rod 9 closely pastes with interior pole 19, consequently plays to fix a position interior pole 19.

The opposite inner walls of the fork of the two support blocks 10 are respectively provided with a limit groove 14, and the inside of the limit groove 14 is connected with a limit block 15 connected with the inner block 13 in a sliding manner.

In addition, through the cooperation between the above-mentioned structure, can play through stopper 15 and spacing groove 14 and carry out spacingly to interior piece 13, drive interior piece 13 and take place to rotate when avoiding screw 12 rotation.

The working principle of the embodiment is as follows:

through upwards pulling inserted bar 7, inserted bar 7 extrudees spring 20 through movable block 6, until inserted bar 7 and locating hole 4 separation, then remove expansion plate 3 to suitable position, again shift out movable rod 8, after moving suitable position, make locating hole 4 and inserted bar 7 vertical symmetry, then loosen the pulling force to inserted bar 7, consequently, can drive the inside that inserted bar 7 inserted into locating hole 4 through movable block 6 and fix a position expansion plate 3 under spring 20's elasticity effect, then interior pole 19 is when removing in movable rod 8, can realize height-adjusting, when adjusting suitable height, be convenient for the user through the lug rotates threaded rod 9, until 9 closely pastes with interior pole 19, therefore, play to interior pole 19 and fix a position, when supporting shoe 10 places ground, start motor 17, motor 17 drives gear number two 18 rotation, consequently, gear number two 16 can drive gear number 16 rotation, consequently, all lead screws 12 can drive simultaneously stopper 15 and spacing groove 14 can play to carry out the inside of inner block 13 and rotate the threaded rod 13, consequently, can take place the inside and take place the support piece 13 through the lug 13, thereby, the stability can be improved, and the support piece 13 can take place outside the support piece is rotated, and the support piece 13 is rotated, thereby can take place, and the stability is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for auto repair to use accessory pull-out device, includes pull-out ware body (1), its characterized in that: shrink groove (2) have all been seted up to the left and right sides of pull-out ware body (1), telescopic plate (3) have been cup jointed to the inside of shrink groove (2), the inside of telescopic plate (3) articulates has movable rod (8), interior pole (19) have been cup jointed to the inside of movable rod (8), the one end of interior pole (19) is fixed with supporting shoe (10), the inside wall of supporting shoe (10) all is fixed with four bearings (11), the inboard of bearing (11) is fixed with lead screw (12) that extend to supporting shoe (10) center department, the outside threaded connection of lead screw (12) has interior piece (13), drive assembly that sets up between lead screw (12) and interior pole (19).

2. A fitting extraction device for automotive repair according to claim 1, characterized in that: the transmission assembly comprises a motor (17) arranged in two inner rods (19), a first gear (16) fixed on the outer side of the screw rod (12), and a second gear (18) which extends to the center of the supporting block (10) and is meshed with the first gear (16) are fixed at the output end of the motor (17).

3. A fitting extraction device for automotive repair according to claim 1, characterized in that: two locating holes (4) that a plurality of equidistance was arranged and was distributed have all been seted up at the top of expansion plate (3), two inside grooves (5) have been seted up to the inside of extractor body (1), and the internal connection of inside groove (5) has movable block (6), and the inboard of movable block (6) is fixed with inserted bar (7) that can extend to locating hole (4) inside, and spring (20) have been cup jointed in the outside of inserted bar (7).

4. A fitting extraction device for automotive repair according to claim 1, characterized in that: the bottoms of the two movable rods (8) are in threaded connection with threaded rods (9) which can extend to the inside of the movable rods (8) and are closely attached to the inner rods (19), and the bottoms of the threaded rods (9) are fixedly connected with lugs.

5. A fitting extraction device for automotive repair according to claim 1, characterized in that: four fork openings are formed in each of the two supporting blocks (10), limiting grooves (14) are formed in the inner walls of the two supporting blocks (10) opposite to the fork openings, and limiting blocks (15) connected with the inner blocks (13) are connected to the inside of the limiting grooves (14) in a sliding mode.

6. The fitting pulling apparatus for automobile repair according to claim 5, wherein: the length, width and height of the inner block (13) are respectively equal to the length, width and height of the inside of the fork of the supporting block (10).