CN220864047U

CN220864047U - Puller structure capable of quickly replacing claws

Info

Publication number: CN220864047U
Application number: CN202322543658.4U
Authority: CN
Inventors: 赵健
Original assignee: Zhangjiagang Zhongtianda Tools Co ltd
Current assignee: Zhangjiagang Zhongtianda Tools Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-30
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to a puller structure for quickly replacing a paw; comprises a fixed table; the novel connecting device comprises a fixed table, wherein a threaded ejector rod is connected inside the fixed table in a threaded manner, three groups of connecting rods are rotationally connected outside the fixed table, a paw body is arranged at one end, far away from the fixed table, of each connecting rod, a connecting mechanism is arranged outside the connecting rods, each connecting mechanism comprises a connecting table, each connecting table is fixedly connected with the corresponding connecting rod, a first spring is arranged inside each connecting table, one end of each first spring is fixedly connected with a fixed plate, and each fixed plate is fixedly connected with one end, far away from the connecting rods, of each connecting table; according to the utility model, through the structural design of the first spring, the pressure receiving plate and the clamping rod, the function that the clamping rod penetrates through the connecting rod and the paw body through the elastic potential energy of the limiting rod is realized by the pressure receiving plate, so that the paw body is connected is realized, the problem that a special tool is needed to be used for connecting a bolt is solved, and the convenience of the device is improved.

Description

Puller structure capable of quickly replacing claws

Technical Field

The utility model relates to the technical field of three-leg puller, in particular to a puller structure capable of quickly replacing claws.

Background

Three-jaw puller is a tool often used in mechanical repair, and is mainly used for axially detaching a damaged bearing from a shaft, and can be used as an internal or external puller.

According to the novel special tripod of chinese patent publication No. CN205237464U publication draws horse locking device, including fixing device and screw thread ejector pin, simple structure, reasonable in design, during operation screw thread ejector pin up-and-down motion utilizes to adjust pole fixed block and first regulation pole, the cooperation of second regulation pole and third regulation pole, thereby drive first gripper, second gripper and third gripper respectively and grasp and loosen, save time more, laborsaving, this patent wholly realizes fixed connection through the bolt, be convenient for later stage change and maintenance, only need change the part that damages can, the cost is lower, prolong its life, the security performance is higher.

In the above patent, the whole body is connected through the mode of bolt, and the gripper that the above patent mentions frequently contacts the object, need to be regularly to its maintenance of changing, and the mode of connection of bolt need be with the help of special instrument, and is comparatively loaded down with trivial details, consequently, proposes a quick replacement paw's horse structure to above-mentioned problem.

Disclosure of utility model

The technical problem to be solved by the utility model is to overcome the problems existing in the prior art.

In order to solve the above technical problems, the present utility model provides a puller structure for quickly replacing a paw, which in one embodiment of the present utility model includes a fixed table; the inside of the fixed table is connected with a threaded ejector rod in a threaded manner, the outer side of the fixed table is rotationally connected with three groups of connecting rods, one end of each of the three groups of connecting rods, which is far away from the fixed table, is provided with a paw main body, the outer side of each connecting rod is provided with a connecting mechanism, each connecting mechanism comprises a connecting table, the connecting tables are fixedly connected with the connecting rods, a first spring is arranged inside each connecting table, the one end fixedly connected with fixed plate of first spring, the one end fixedly connected with of connecting rod is kept away from to the fixed plate and the connection board, the one end fixedly connected with pressure receiving plate of fixed plate is kept away from to first spring, the one end fixedly connected with clamping lever of first spring is kept away from to the pressure receiving plate, clamping lever runs through connection board, connecting rod and paw main part.

In one embodiment of the utility model, a pair of limiting rods are arranged in the connecting table, one ends of the limiting rods are fixedly connected with the fixed plate, one ends of the limiting rods, which are far away from the fixed plate, are fixedly connected with the inner wall of the connecting table, and the limiting rods penetrate through the pressure receiving plate.

In one embodiment of the utility model, a pull rod is arranged in the connecting table, one end of the pull rod is fixedly connected with one end of the pressure receiving plate, which is close to the first spring, and one end of the pull rod, which is far away from the pressure receiving plate, penetrates through the fixing plate and is fixedly connected with a pull disc.

In one embodiment of the utility model, a protection component is arranged on one side far away from the first spring, the protection component comprises a pair of sliding grooves, the pair of sliding grooves are arranged on the outer side of the fixed plate, a sliding block is connected inside the sliding grooves in a sliding manner, and a protection cover is fixedly connected to one end of the sliding block far away from the fixed plate.

In one embodiment of the utility model, the bottom end of the connecting table is fixedly connected with a supporting plate, the top end of the supporting plate is provided with a magnetic attraction block, one side of the protective cover, which is far away from the sliding block, is provided with an iron block, and the magnetic attraction block and the iron block are in special-shaped attraction.

In one embodiment of the utility model, three groups of abutting tables are fixedly connected to the top end of the fixing table, abutting blocks are slidably connected to the three groups of abutting tables, clamping grooves are formed in the abutting blocks, a central plate is fixedly connected to the clamping grooves, second springs are fixedly connected to the two sides of the central plate, a limiting plate is fixedly connected to one end, away from the central plate, of the second springs, a stop lever is fixedly connected to one end, away from the second springs, of the limiting plate, a plurality of groups of circular grooves are formed in the two sides of the abutting tables, and the stop lever penetrates through the circular grooves.

In one embodiment of the utility model, a pushing plate is fixedly connected to one end of the abutting block, which is close to the paw body, and the pushing plate is used for increasing the contact area between the abutting block and the paw body.

In one embodiment of the utility model, the connecting mechanism is provided with three groups, and the three groups of connecting mechanisms are respectively arranged outside the three groups of paw bodies.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

According to the utility model, through the structural design of the first spring, the pressure receiving plate and the clamping rod, the function that the clamping rod penetrates through the connecting rod and the paw body through the elastic potential energy of the limiting rod is realized by the pressure receiving plate, so that the paw body is connected is realized, the problem that a special tool is needed to be used for connecting a bolt is solved, and the convenience of the device is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a block diagram of a connection station and a clamping lever of the present utility model;

FIG. 3 is a block diagram of a first spring and pressure receiving plate of the present utility model;

FIG. 4 is a block diagram of the magnetic attraction block and iron block of the present utility model;

fig. 5 is a block diagram of the interference block and push plate of the present utility model.

Description of the specification reference numerals: 1. a fixed table; 2. a threaded ejector rod; 3. a connecting rod; 4. a connection station; 5. a first spring; 6. a fixing plate; 7. a pressure receiving plate; 8. a clamping rod; 9. a limit rod; 10. a pull rod; 11. a pulling disc; 12. a chute; 13. a slide block; 14. a protective cover; 15. a supporting plate; 16. a magnetic suction block; 17. iron blocks; 18. an abutment; 19. a collision block; 21. a center plate; 22. a second spring; 23. a limiting plate; 24. a stop lever; 25. a circular groove; 26. a push plate; 60. a paw body.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to FIGS. 1-5, the device comprises a fixed table 1; the inside threaded connection of fixed station 1 has screw ejector pin 2, the outside rotation of fixed station 1 is connected with three groups connecting rod 3, and three groups connecting rod 3 is kept away from the one end of fixed station 1 and is provided with the pawl main part 60, the connecting rod 3 outside is provided with coupling mechanism, coupling mechanism includes connecting station 4, connecting station 4 and connecting rod 3 fixed connection, the inside first spring 5 that is provided with of connecting station 4, the one end fixedly connected with fixed plate 6 of first spring 5, the one end fixedly connected with that fixed plate 6 kept away from connecting station 4 kept away from connecting rod 3, the one end fixedly connected with clamp plate 7 that the fixed plate 6 was kept away from to first spring 5, the one end fixedly connected with clamping lever 8 that the clamp plate 8 was kept away from first spring 5 runs through connecting station 4, connecting rod 3 and pawl main part 60;

In order to realize the function of quickly replacing the paw body 60, the pressure receiving plate 7 is pulled away from the connecting rod 3, the first spring 5 is extruded when the pressure receiving plate 7 moves, the first spring 5 is stressed and deformed at the moment to generate elastic potential energy, the clamping rod 8 is synchronously driven to be separated from the connecting rod 3 and the inside of the paw body 60 when the pressure receiving plate 7 moves, at the moment, the paw body 60 can be taken down, the replaced paw body 60 is placed at the position of the original paw body 60, after the paw body 60 is placed, the pressure receiving plate 7 is released, at the moment, the stress of the first spring 5 is ended, the elastic potential energy is released instantaneously, the pressure receiving plate 7 is reset under the action of the first spring 5, and the clamping rod 8 is synchronously driven to reset when the pressure receiving plate 7 is reset, at the moment, the clamping rod 8 penetrates through the connecting rod 3 and the paw body 60 again, and the quick replacement of the paw body 60 is completed;

It should be noted here that the quick replacement effect of the inner and outer paw bodies 60 can be achieved due to the easy replacement of the paw bodies 60, wherein the outer paw body corresponds to fig. 1 in the present embodiment for the outer fixed bearing and the inner paw body for the inner fixed bearing.

Further, as shown in fig. 2 and 3, a pair of limiting rods 9 is disposed inside the connection platform 4, one ends of the limiting rods 9 are fixedly connected with the fixed plate 6, one ends of the limiting rods 9, which are far away from the fixed plate 6, are fixedly connected with the inner wall of the connection platform 4, and the limiting rods 9 penetrate through the pressure receiving plate 7;

In order to play spacing function to the removal of receptor plate 7, a pair of gag lever post 9 that set up can be spacing simultaneously to receptor plate 7's both ends, and when moving, the both ends of letting receptor plate 7 are in the gag lever post 9 outside all the time, and at this moment, receptor plate 7 removes just can be stable, has avoided receptor plate 7 both ends to remove inequality when removing to the condition of card dun appears.

Further, as shown in fig. 2 and 3, a pull rod 10 is disposed inside the connection platform 4, one end of the pull rod 10 is fixedly connected with one end of the pressure receiving plate 7 close to the first spring 5, and one end of the pull rod 10 away from the pressure receiving plate 7 penetrates through the fixed plate 6 and is fixedly connected with a pull disc 11;

In order to facilitate the movement of the pressure receiving plate 7 by a worker, the worker only needs to pull the pull disc 11 outside the fixed plate 6, and the pull disc 11 drives the pull rod 10 to move when moving, at this time, the pull rod 10 synchronously drives the pressure receiving plate 7 to move, so that the function of moving the pressure receiving plate 7 without contacting the pressure receiving plate 7 can be realized, and convenience is brought to a certain extent for the use of the worker.

Further, as shown in fig. 3 and fig. 4, a protection component is disposed on a side far away from the first spring 5, the protection component includes a pair of sliding grooves 12, the pair of sliding grooves 12 are opened on the outer side of the fixed plate 6, a sliding block 13 is slidably connected inside the sliding grooves 12, and a protection cover 14 is fixedly connected to one end of the sliding block 13 far away from the fixed plate 6;

In order to avoid the situation of mistakenly touching the pull disc 11, under the action of gravity, the protective cover 14 drives the sliding block 13 to be always at the lowest end of the sliding groove 12 in an initial state, at the moment, the protective cover 14 surrounds the pull disc 11, when the protective cover 14 is not pulled to move upwards, the outside cannot touch the pull disc 11, the situation that the pull disc 11 is pulled by mistaken touch, so that the paw body 60 of the user falls off can be avoided, when the pull disc 11 needs to be pulled, the protective cover 14 only needs to be lifted, at the moment, the protective cover 14 drives the sliding block 13 to move in the sliding groove 12, and the pull disc 11 is gradually exposed.

Further, as shown in fig. 3 and fig. 4, the bottom end of the connecting table 4 is fixedly connected with a supporting plate 15, a magnetic block 16 is installed at the top end of the supporting plate 15, an iron block 17 is installed at one side of the protecting cover 14 far away from the sliding block 13, and the magnetic block 16 and the iron block 17 are in special-shaped attraction;

In order to increase the closing stability of the protection cover 14, when the protection cover 14 surrounds the pull disc 11, the magnetic attraction block 16 generates attraction force on the iron block 17, so that the protection cover 14 can still surround the pull disc 11 under the condition that the protection cover 14 is turned over, and it is required to be noted that the attraction of the magnetic attraction block 16 and the iron block 17 can overcome the action of gravity.

Further, as shown in fig. 1 and fig. 5, three groups of abutting tables 18 are fixedly connected to the top end of the fixed table 1, three groups of abutting tables 18 are all slidably connected with abutting blocks 19, clamping grooves are formed in the abutting blocks 19, a central plate 21 is fixedly connected to the inside of each clamping groove, second springs 22 are fixedly connected to two sides of the central plate 21, a limiting plate 23 is fixedly connected to one end, away from the central plate 21, of each second spring 22, a stop lever 24 is fixedly connected to one end, away from the second springs 22, of each limiting plate 23, a plurality of groups of circular grooves 25 are formed in two sides of each abutting table 18, and each stop lever 24 penetrates through each circular groove 25;

In order to avoid unhooking of the paw body 60 during use, the abutting block 19 limits one end of the paw body 60, when the distance between the abutting block 19 and the paw body 60 needs to be adjusted, the stop rods 24 on two sides of the abutting block 19 are pressed, at this time, the stop rods 24 squeeze the second springs 22 through the limiting plates 23, the second springs 22 shrink to generate elastic potential energy, the stop rods 24 are separated from the inside of the circular grooves 25, the abutting block 19 can be moved, after the abutting block 19 is moved, the stop rods 24 are loosened, the second springs 22 are stressed at this time, the elastic pushing limiting plates 23 are released instantaneously to move, the stop rods 24 can be driven to be clamped inside the circular grooves 25 again through the movement of the limiting plates 23, at this time, the abutting block 19 cannot be moved, and the adjustment of the distance between the abutting blocks 19 is realized.

Further, as shown in fig. 1 and fig. 5, a push plate 26 is fixedly connected to one end of the abutting block 19 near the paw body 60, and the push plate 26 is used for enlarging the contact area between the abutting block 19 and the paw body 60;

In order to increase the contact area between the abutting block 19 and the paw body 60, the push plate 26 is installed at one end, close to the paw body 60, of the abutting block 19, at the moment, the abutting block 19 needs to be in contact with the push plate 26 when contacting the paw body 60, and the area of the push plate 26 is larger than that of the abutting block 19, so that the contact area between the abutting block 19 and the paw body 60 can be increased, the situation that the abutting block 19 is separated from abutting against the paw body 60 is avoided, and the stability of the device is improved.

Further, as shown in fig. 1 and 3, the connecting mechanisms are provided with three groups, and the three groups of connecting mechanisms are respectively arranged outside the three groups of paw bodies 60;

The three groups of connecting mechanisms can be used for connecting the three groups of paw bodies 60, so that single connection is avoided, and the functionality of the device is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a quick replacement paw draws horse structure which characterized in that: comprises a fixed table (1); the utility model discloses a fixed station, including fixed station (1), fixed station (1) inside threaded connection has screw ejector pin (2), fixed station (1) outside rotates and is connected with three groups connecting rod (3), three groups the one end that fixed station (1) was kept away from to connecting rod (3) is provided with gripper main part (60), the connecting rod (3) outside is provided with coupling mechanism, coupling mechanism includes connecting table (4), connecting table (4) and connecting rod (3) fixed connection, connecting table (4) inside is provided with first spring (5), the one end fixedly connected with fixed plate (6) of first spring (5), the one end fixedly connected with presser (7) that connecting rod (3) were kept away from to fixed plate (4), one end fixedly connected with kelly (8) that first spring (5) were kept away from to presser (7), kelly (8) through-connection table (4), connecting rod (3) and gripper main part (60).

2. The puller structure for quick change of prongs of claim 1, wherein: the connecting bench (4) is internally provided with a pair of limit rods (9), one end of each limit rod (9) is fixedly connected with the corresponding fixed plate (6), one end, far away from the corresponding fixed plate (6), of each limit rod (9) is fixedly connected with the inner wall of the connecting bench (4), and the corresponding limit rods (9) penetrate through the corresponding pressure receiving plate (7).

3. The puller structure for quick change of prongs of claim 1, wherein: the connecting table (4) is internally provided with a pull rod (10), one end of the pull rod (10) is fixedly connected with one end, close to the first spring (5), of the pressure receiving plate (7), and one end, far away from the pressure receiving plate (7), of the pull rod (10) penetrates through the fixed plate (6) and is fixedly connected with a pull disc (11).

4. The puller structure for quick change of prongs of claim 1, wherein: one side of keeping away from first spring (5) is provided with protection component, protection component includes a pair of spout (12), a pair of spout (12) are seted up in the fixed plate (6) outside, the inside sliding connection of spout (12) has slider (13), the one end fixedly connected with safety cover (14) of keeping away from fixed plate (6) of slider (13).

5. The quick change pawl puller structure according to claim 4, wherein: the magnetic attraction type connecting device is characterized in that the bottom end of the connecting table (4) is fixedly connected with a supporting plate (15), a magnetic attraction block (16) is arranged at the top end of the supporting plate (15), an iron block (17) is arranged on one side, far away from the sliding block (13), of the protective cover (14), and the magnetic attraction block (16) and the iron block (17) are in special-shaped attraction.

6. The puller structure for quick change of prongs of claim 1, wherein: three groups of butt platform (18) of fixed station (1) top fixedly connected with, three groups the equal sliding connection of butt platform (18) is inside to be contradicted piece (19), the draw-in groove has been seted up to the inside draw-in groove that has contradicted piece (19), the inside fixedly connected with center board (21) of draw-in groove, the equal fixedly connected with second spring (22) in both sides of center board (21), the one end fixedly connected with limiting plate (23) of center board (21) are kept away from to second spring (22), one end fixedly connected with pin (24) of second spring (22) are kept away from to limiting plate (23), multiunit circular slot (25) have been seted up to butt platform (18) both sides, pin (24) run through circular slot (25).

7. The quick change pawl puller structure according to claim 6, wherein: one end of the abutting block (19) close to the paw body (60) is fixedly connected with a push plate (26), and the push plate (26) is used for abutting the block (19) to enlarge the contact area with the paw body (60).

8. The puller structure for quick change of prongs of claim 1, wherein: the connecting mechanisms are provided with three groups, and the three groups of connecting mechanisms are respectively arranged on the outer sides of the three groups of paw bodies (60).