CN216884027U

CN216884027U - Gripping device

Info

Publication number: CN216884027U
Application number: CN202122630555.2U
Authority: CN
Inventors: 邹文鹏; 周文彦; 周毕升
Original assignee: WEICHAI POWER YANGZHOU DIESEL ENGINE CO Ltd; Weichai Power Co Ltd
Current assignee: WEICHAI POWER YANGZHOU DIESEL ENGINE CO Ltd; Weichai Power Co Ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-07-05
Anticipated expiration: 2031-10-30

Abstract

The utility model discloses a grabbing device which comprises a push rod, wherein the push rod is provided with a first end and a second end, the first end of the push rod is provided with a handle for pulling the push rod to reciprocate, the second end of the push rod is connected with a telescopic claw assembly for grabbing foreign matters, the telescopic claw assembly comprises a claw, and the claw is connected to the second end of the push rod; the outer surface of the push rod is sleeved with a limiting outer tube, the push rod can reciprocate along the limiting outer tube, a plurality of open slots are formed in the lower end part, corresponding to the second end of the push rod, of the limiting outer tube, and the open slots extend from the end face of the lower end part of the limiting outer tube to the direction of the other end of the limiting outer tube; each open slot is respectively matched with the corresponding gripper so as to limit the gripper. Through setting up structures such as push rod, spacing outer tube and grabhook, the engine maintenance that can solve during, the problem of the manual foreign matter that snatchs in less space.

Description

Gripping device

Technical Field

The utility model relates to the technical field of auxiliary tools, in particular to a gripping device.

Background

In the use or maintenance of machinery, the situation that a user needs to grab foreign matters from a small space is often encountered, in the small space, a common tool cannot achieve grabbing work, and a magnet bar, a flat opening and the like are generally adopted, so that the method has the defects that: the iron-absorbing rod is stressed by magnetic force very little, and rod-shaped objects such as a flat opening and the like cannot be grabbed; in addition, other claw-shaped structures such as a puller can be adopted for grabbing, the puller is an electric hydraulic top pulling multipurpose machine, is suitable for overhauling railway vehicles, mechanical installation, mine maintenance, support of building engineering and lifting and descending of general weights, and can also be used for disassembling round workpieces such as belt pulleys, gears, bearings and the like in various mechanical equipment, but the hydraulic puller has high required precision and high maintenance cost, and the viscosity of oil liquid is greatly influenced by temperature when in use; further, foreign matter in a small space of the engine cannot be effectively cleaned. At present, the operation of replacing hands to replace parts, grabbing and cleaning is needed, so that a tool which is convenient to use, low in cost, manual, large in bearing capacity and capable of being stretched into a small space to achieve manual grabbing and cleaning is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the technical problem to be solved by the utility model is that the foreign matters cannot be manually grabbed in a small space.

In order to solve the technical problem, the utility model comprises a push rod, which is structurally characterized in that: the push rod is provided with a first end and a second end, the first end of the push rod is provided with a handle for pulling the push rod to reciprocate, the second end of the push rod is connected with a telescopic claw assembly for grabbing foreign matters, the telescopic claw assembly comprises a claw, and the claw is connected to the second end of the push rod; the outer surface of the push rod is sleeved with a limiting outer tube, the push rod can reciprocate along the limiting outer tube, a plurality of open slots are formed in the lower end part, corresponding to the second end of the push rod, of the limiting outer tube, and the open slots extend from the end face of the lower end part of the limiting outer tube to the direction of the other end of the limiting outer tube; each open slot is respectively matched with the corresponding gripper so as to limit the gripper.

After adopting above-mentioned structure, through the handle of pulling push rod, make the push rod drive the gripper along spacing outer tube reciprocating motion, utilize the open slot of spacing outer tube to carry on spacingly to the gripper this moment, realize the switching of gripper to accomplish the action of snatching the foreign matter, this structure can be smoothly in less space manually snatch the foreign matter, and have simple structure, the atress is big and advantage with low costs.

Furthermore, the limiting outer pipe comprises an upper limiting pipe and a lower limiting pipe, the upper limiting pipe is sleeved on the outer surface of the push rod, and the lower end part of the upper limiting pipe is connected with the upper end part of the lower limiting pipe in a matched mode. The utility model discloses a portable electronic device, including last spacing pipe, grabhook, picture peg and slot, have the slot to its axis department radial extension on the lower tip border of going up spacing pipe, the upper end of spacing pipe has the picture peg of radially buckling to its axis department down, the picture peg cooperatees with the slot, the lower tip of spacing pipe can rotate along with the grabhook through the spacing of open slot down to adjust the position when ensureing to snatch the foreign matter, and ensure to clear up the debris in the little space.

Furthermore, the groove is of an upper limiting pipe integrated forming structure, and the inserting plate is of a lower limiting pipe integrated forming structure.

Furthermore, the lower tip of push rod is connected with the claw joint, the claw joint is established to circular cover form, flexible claw subassembly still includes the supporting seat, the supporting seat cover is established on the claw joint, the gripper articulates on the supporting seat to ensure that gripper and supporting seat are a whole, can follow the claw joint and pull down, convenient maintenance and dismantlement.

Furthermore, the number of the open grooves is not less than that of the grippers, so that each gripper is provided with the open groove matched with the gripper, and the gripper is convenient to limit.

Furthermore, the number of the grippers is two, the grippers are symmetrically hinged to the supporting seat, and each gripper is matched with a corresponding open slot so as to grab the foreign matters.

Furthermore, the number of the grippers is four, the four grippers are uniformly and annularly arranged on the supporting seat, and each gripper is matched with a corresponding open slot so as to grab the foreign matters.

Furthermore, the end part of the gripper is provided with a claw sleeve, and the claw sleeve is made of anti-skid rubber or hard material so as to ensure that foreign matters are smoothly grabbed when the foreign matters are grabbed and sundries are smoothly cleared when the foreign matters are cleared.

In conclusion, the utility model has simple structure and large bearing capacity, can extend into a small space to realize the actions of grabbing and cleaning, and solves the problem that the grabbing of foreign matters in the small space and the cleaning of the foreign matters are difficult.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the utility model and do not limit it. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

FIG. 3 is an enlarged view A of FIG. 1;

FIG. 4 is a schematic view of the construction of two grippers of the telescoping gripper assembly of FIG. 1;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is another structural schematic view of the pawl housing of FIG. 4;

FIG. 7 is a schematic view of the four grippers of the telescoping jaw assembly of FIG. 1;

FIG. 8 is a top view of FIG. 7;

fig. 9 is another embodiment of fig. 7.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 9.

The gripping device comprises a push rod 1 and a limiting outer tube 2 sleeved outside the push rod 1, wherein the push rod 1 penetrates through the limiting outer tube 2 and can reciprocate along the limiting outer tube 2, and when the gripping device is used, the reciprocating motion is up-and-down motion generally. The upper end part of the push rod 1 is a first end, the lower end part of the push rod 1 is a second end, the upper end part of the push rod 1 is provided with a handle, a rubber sleeve is sleeved on the handle, and the outer wall of the rubber sleeve is provided with wear-resistant lines; the lower end part of the push rod 1 is sleeved with a claw joint 3, namely a claw connecting sleeve which is a circular sleeve to realize the rotation on a plane; the telescopic claw assembly is connected to the claw connecting sleeve, the structure of the telescopic claw assembly can be various, namely any structure capable of enabling the gripper 42 to do fan-shaped motion on one plane can be achieved, and the opening or closing action of the gripper 42 in the telescopic claw assembly can be achieved.

In the scheme: flexible claw subassembly includes supporting

seat

41, and 41 covers of supporting seat are established on the claw link sleeve, are provided with a plurality of grabhook 42 on 41's the border of supporting seat, and the tip of every grabhook 42 all is provided with claw cover 43: in use, the claw sleeve 43 on each claw 42 contacts a foreign object and provides friction to grip the foreign object and remove it smoothly.

The number of grippers is set to at least two, and the following description will be made of a scheme using two grippers 2 and four grippers 42 as an example: the two grippers 42 are symmetrically distributed on the supporting seat 41 and can rotate around the supporting seat 41, and a gripper sleeve 43 is arranged at the end of each gripper 42.

Four grabs 42 radially evenly distributed are on the periphery of supporting seat 41, and the one end of every grabs 42 rotates with supporting seat 41 and is connected, and the preferred articulated mode here is connected, and the other end is provided with claw cover 43 to provide frictional force and smoothly snatch the foreign matter, and the structure of claw cover 43 can be set up to structures such as spheroid, cylinder or triangle. The structure of the gripper 42 may be any structure that facilitates gripping, for example, the gripper 42 may be a straight plate, a bent plate, a curved plate, or the like: when selecting straight plate-shaped, the structure is: the grabhook 42 includes straight claw, and the quantity of straight claw is a plurality of, and the one end that a plurality of straight claws correspond articulates on supporting seat 41, and claw cover 43 is all installed to the other end to provide the frictional force and smoothly snatch the foreign matter. When choosing and using the bending plate form, can snatch the foreign matter simultaneously and clear up the debris in the little space, its structure is: the gripper 42 includes an outer inclined claw 4201 inclined outward centering on the gripper 42 and an inner inclined claw 4202 connected to the outer inclined claw 4201, the inner inclined claw 4202 being inclined toward the center of the gripper 42; one end of each outer inclined claw 4201 is hinged to the supporting seat 41, claw sleeves 43 are mounted at the other end of each outer inclined claw 4201, and a side claw sleeve 4203 is arranged on the outer side of the joint of each inner inclined claw 4202 and each outer inclined claw 4201; the arrangement of the structure is more beneficial to increasing the friction force between the gripper 42 and the inner wall of the gripping space; in addition, the space surrounded by the bent plates forms a space structure with a large diameter at the middle part and small diameters at the two ends, so that the foreign bodies can be temporarily stored conveniently, namely, the foreign bodies are temporarily stored in the space structure when the device is used.

In addition, when the device is used as a gripping tool, the claw sleeve 43 is made of a material having friction and a rough surface so as to provide stable friction and take out an object in a small space by the friction; when the device is used as a cleaning tool, such as carbon deposition cleaning and the like, the claw sleeve 43 is replaced by a hard object for grinding the carbon deposition and shoveling foreign matters, the hard object can be made of hard alloy materials, and the hard alloy has high hardness, strength, wear resistance and corrosion resistance and is known as industrial teeth so as to be convenient for smoothly cleaning sundries on the inner wall of a small space; and when as the clearance instrument, need certain damping force between gripper and the supporting seat, the gripper is around the supporting seat swing when avoiding clearing up, is unfavorable for clearing up debris.

The limiting outer tube 2 comprises an upper limiting tube 21 and a lower limiting tube 22, the upper limiting tube 21 is sleeved on the outer surface of the push rod 1, and the lower end part of the upper limiting tube 21 is coaxially arranged with and rotatably connected with the upper end part of the lower limiting tube 22; the lower end circumference of the upper limiting pipe 21 is provided with a groove 2101 extending radially to the axial line of the upper limiting pipe 21, the groove 2101 can be formed by integrally forming the upper limiting pipe 21 or by machining, the upper end of the lower limiting pipe 22 is provided with an insert plate 2201 bending radially to the axial line of the lower limiting pipe 22, the insert plate 2201 can be formed by integrally forming the lower limiting pipe 22 or by machining, and the insert plate 2201 is matched with the groove 2101 and can rotate along the groove 2101. A plurality of open grooves 2202 are axially formed in the lower end part of the lower limiting pipe 22, and the open grooves 2202 are matched with the grippers 42, so that the lower limiting pipe 22 can rotate along with the grippers 42 under the limiting effect of the open grooves 2202 to complete the action of grabbing or rotating cleaning, and meanwhile, the position of the grippers 42 can be conveniently adjusted during grabbing.

When in use, under the normal condition, the upper limiting pipe 21 is vertically placed at the end part of the space to be grabbed or cleaned, and the lower limiting pipe 22 enters the space to be cleaned; then, the push rod 1 continues to move downwards to open the grippers 42 of the telescopic gripper assembly, the plurality of grippers 42 are respectively matched with the open slot 2202 at the lower end of the lower limiting pipe 22, at this time, the plurality of grippers 42 grab the foreign matters in the space, the push rod 1 is pulled up, the gripper sleeves 43 on the plurality of grippers 42 provide friction force to smoothly grab the foreign matters to enable the foreign matters to leave the space to be grabbed, and the grabbing action is completed; when sundries in the small space are cleaned, the claw sleeve 43 is replaced by a hard object for cleaning the bottom and the peripheral wall surfaces in the small space so as to crush the deposited carbon and shovel off foreign matters; at the moment, due to the limiting effect of the open groove 2202 of the lower limiting pipe 22 on the gripper 42, the telescopic gripper can bear large force and is beneficial to removing stubborn adhesion stains, and at the moment, the lower limiting pipe 22 can rotate along with the gripper 42 so as to be convenient for cleaning the inner wall of the small space.

The utility model pulls the telescopic claw component to move by the push rod 1 which moves up and down, and the lower limit pipe 22 is used for limiting the telescopic claw component, so that the opening and closing of the gripper 42 are realized, and the gripping action or the cleaning action of a specific position is completed. The mode can also be a non-manual mode, and the movement of the push rod 1 is driven by other power supply devices such as hydraulic pressure and the like to complete the grabbing of foreign matters in a small space and the clearing of the foreign matters.

The utility model can be used not only in the maintenance of the engine, but also in other small spaces where foreign objects need to be grabbed and cleaned.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a grabbing device, includes push rod (1), push rod (1) has first end and second end, the first end of push rod (1) is provided with the handle of pulling push rod (1) reciprocating motion, the second end of push rod (1) is connected with the flexible claw subassembly of grabbing the foreign matter, its characterized in that: the telescopic claw assembly comprises a gripper (42), and the gripper (42) is connected to the second end of the push rod (1); the outer surface of the push rod (1) is sleeved with a limiting outer tube (2), the push rod (1) can reciprocate along the limiting outer tube (2), the lower end part, corresponding to the second end of the push rod (1), of the limiting outer tube (2) is provided with a plurality of open grooves (2202), and the open grooves (2202) extend from the end surface of the lower end part of the limiting outer tube (2) to the direction of the other end; each open slot (2202) is respectively matched with the corresponding gripper (42) so as to limit the gripper (42).

2. The grasping apparatus according to claim 1, wherein: spacing outer tube (2) include upper limit pipe (21) and lower limit pipe (22), upper limit pipe (21) cover is established on the surface of push rod (1), the lower tip of upper limit pipe (21) is connected with the upper end cooperation of lower limit pipe (22).

3. The grasping apparatus according to claim 2, wherein: the lower end periphery of the upper limiting pipe (21) is provided with a groove (2101) extending radially towards the axis of the upper limiting pipe, the upper end of the lower limiting pipe (22) is provided with an inserting plate (2201) bending radially towards the axis of the lower limiting pipe, the inserting plate (2201) is matched with the groove (2101), and the lower end of the lower limiting pipe (22) can rotate along with the gripper (42) through the limiting of the open slot (2202).

4. The grasping apparatus according to claim 3, wherein: the groove (2101) is of an upper limiting pipe (21) integrated structure, and the inserting plate (2201) is of a lower limiting pipe (22) integrated structure.

5. The grasping apparatus according to claim 1, wherein: the lower tip of push rod (1) is connected with claw joint (3), claw joint (3) are established to circular cover form, flexible claw subassembly still includes supporting seat (41), supporting seat (41) cover is established on claw joint (3), grabhook (42) articulates on supporting seat (41).

6. The grasping apparatus according to claim 5, wherein: the number of the open grooves (2202) is not less than the number of the grippers (42).

7. The grasping apparatus according to claim 6, wherein: the number of the grippers (42) is two, the two grippers (42) are symmetrically hinged to the supporting base (41), and each gripper (42) is matched with the corresponding open groove (2202).

8. The grasping apparatus according to claim 6, wherein: the number of the grippers (42) is four, the four grippers (42) are uniformly arranged on the supporting seat (41) in an annular mode, and each gripper (42) is matched with the corresponding open groove (2202).

9. The grasping apparatus according to claim 1, wherein: the end part of the gripper (42) is provided with a claw sleeve (43), and the claw sleeve (43) is made of anti-skid rubber or hard material.