CN218992318U

CN218992318U - Piston rod connecting device

Info

Publication number: CN218992318U
Application number: CN202223145709.XU
Authority: CN
Inventors: 赵宪力; 赵凤莉; 薛耀光; 薛建军; 薛耀宗
Original assignee: Greenech Xinxiang Automotive Parts Co ltd
Current assignee: Greenech Xinxiang Automotive Parts Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-05-09
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a piston rod connecting device, which comprises a piston rod and a connecting sleeve at the bottom end of the piston rod, wherein a supporting rod is fixedly connected to the right center of the bottom surface of the piston rod, a clamping column is fixedly sleeved at the bottom end of the supporting rod, a clamping groove with the same specification as the supporting rod is formed in the right center of the top surface of the connecting sleeve, a first side groove which is positioned at the outer side of the clamping groove and is matched with the clamping side specification is formed in the top of the connecting sleeve, a column groove which is positioned below the clamping groove is formed in the connecting sleeve, and a second side groove which is communicated with the column groove is formed in the inner side of the connecting sleeve; this piston rod connecting device through the setting of even inboard each subassembly of cover, can utilize the post groove to overlap the card post, makes the card post get into the post groove through first limit groove, and the second limit groove can overlap mutually with the card limit on the card post to reach the effect that carries out high-efficient spacing to the post groove of piston rod bottom, need not extra subassembly and assemble it, solved the easy rotation of current device screw-thread suit and assembly operation relatively loaded down with trivial details problem simultaneously.

Description

Piston rod connecting device

Technical Field

The utility model relates to the technical field of auxiliary connection of piston rods, in particular to a piston rod connecting device.

Background

Through retrieving, in the application of patent application number CN201920799379.5, a connecting device of piston rod and connecting rod is disclosed, includes connecting rod and piston rod at least, and it still includes first nut, second nut and screw, threaded through-hole is all opened to first nut and second nut axial, piston rod and connecting rod respectively with first nut and second nut threaded connection, first nut passes through the screw and can dismantle with the second nut and be connected, connecting rod and piston rod terminal surface contact. The connecting rod adopts the straight connection to replace the T-shaped structure connection, and the internal thread connection of the connecting rod is changed into the external thread connection, so that the processing amount of the connecting rod is reduced, the processing difficulty is reduced, a certain clearance exists between the screw connection and the first nut and between the screw connection and the second nut in the axial direction, the end face of the connecting rod is tightly attached to the end face of the piston rod, the three characteristics are combined for use, the effective anti-loosening of each thread pair is reliably realized, the connecting rod is disassembled and assembled only by assembling and disassembling the screw, the operation process is simplified, and the labor intensity is reduced.

In the sleeving process of the connecting rod, a corresponding connecting device is needed, the assembly achieves the effect of sleeving the piston rod and the connecting rod through screw sleeving, but the screw sleeving mode is relatively complicated in operation and limited in adaptation degree.

We therefore propose a piston rod connection.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a piston rod connecting device, which solves the problems that the screw type sleeve of the prior device is easy to rotate and the assembly operation is relatively complicated.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a piston rod connecting device, includes the even cover of piston rod and bottom, the positive center department fixedly connected with branch of piston rod bottom surface, and the bottom mounting cover of branch is equipped with the draw-in column, even cover top surface's positive center department has seted up the draw-in groove the same with branch specification, even the top of cover set up be located the draw-in groove outside and with the first limit groove of card limit specification looks adaptation, even be provided with the column groove that is located the draw-in groove below in the cover, and even the inboard of cover set up with the column groove want the second limit groove of intercommunication.

Preferably, the first side groove is communicated between the outer side of the connecting sleeve and the column groove, and the first side groove is communicated with the inner cavity of the clamping groove.

Preferably, the height of the second side groove is the same as that of the clamping side, and the two groups of first side grooves and the second side grooves are distributed in a cross shape.

Preferably, a thread groove communicated with the column groove is formed in the bottom of the connecting sleeve, and an inner screw rod is sleeved on the inner side of the piston rod through the thread groove.

Preferably, the top end of the inner screw is fixedly connected with a top disc, the specification of the top disc is matched with the inner diameter of the column groove, and the height of the inner screw is the sum of the heights of the column groove and the bottom side column body of the connecting sleeve.

Preferably, a damping ring pad fixedly sleeved on the outer side of the support rod is arranged between the piston rod and the connecting sleeve.

Preferably, a thread ring sleeved with the connecting rod is arranged on the outer side of the bottom end of the connecting sleeve.

(III) beneficial effects

The utility model provides a piston rod connecting device. The beneficial effects are as follows:

this piston rod connecting device through the setting of even inboard each subassembly of cover, can utilize the post groove to overlap the card post, makes the card post get into the post groove through first limit groove, and the second limit groove can overlap with the card limit on the card post mutually to reach the effect that carries out high-efficient spacing to the post groove of piston rod bottom, need not extra subassembly and assemble it, easy operation and prevent changeing effectually, solved the easy rotation of current device screw-thread suit and assembly operation relatively loaded down with trivial details problem simultaneously.

Drawings

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

FIG. 2 is a schematic view of the structure of the present utility model when disassembled;

FIG. 3 is a schematic view of the piston rod of the present utility model;

fig. 4 is a schematic view of the inner side of the present utility model.

In the figure: 1. a piston rod; 2. connecting the sleeves; 3. a shock-absorbing ring pad; 4. an inner screw; 5. a support rod; 6. a clamping column; 7. clamping edges; 8. a top plate; 9. a clamping groove; 10. a first side groove; 11. a second side groove; 12. and a column groove.

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. 1-4, the embodiment of the present utility model provides a technical solution: the piston rod connecting device comprises a piston rod 1 and a connecting sleeve 2 at the bottom end of the piston rod, a supporting rod 5 is fixedly connected to the right center of the bottom surface of the piston rod 1, a clamping column 6 is fixedly sleeved at the bottom end of the supporting rod 5, a clamping groove 9 with the same specification as the supporting rod 5 is formed in the right center of the top surface of the connecting sleeve 2, a first side groove 10 which is positioned outside the clamping groove 9 and is matched with the clamping edge 7 in specification is formed in the top of the connecting sleeve 2, a column groove 12 positioned below the clamping groove 9 is formed in the connecting sleeve 2, and a second side groove 11 which is communicated with the column groove 12 is formed in the inner side of the connecting sleeve 2;

in this embodiment, it needs to be described that, this piston rod connecting device, through the setting of even inboard each subassembly of cover 2, can utilize the post groove 12 to carry out the suit to the card post 6, make card post 6 get into in the post groove 12 through first limit groove 10, and second limit groove 11 can overlap mutually with card limit 7 on the card post 6, thereby reach the effect that carries out high-efficient spacing to the post groove 12 of piston rod 1 bottom, need not extra subassembly and assemble it, easy operation and prevent changeing effectually, the easy rotation of current device screw-thread suit has been solved and has been assembled the relatively loaded down with trivial details problem of operation simultaneously.

In this embodiment, the first side groove 10 is connected between the outside of the connecting sleeve 2 and the column groove 12, and the first side groove 10 is connected to the inner cavity of the locking groove 9.

In this embodiment, it should be noted that the height of the second side groove 11 is the same as that of the card side 7, and the two sets of first side grooves 10 and second side grooves 11 are distributed in a cross shape.

In this embodiment, it should be noted that a thread groove communicating with the column groove 12 is formed at the bottom of the connecting sleeve 2, and the inner side of the piston rod 1 is sleeved with the inner screw 4 through the thread groove.

In this embodiment, it should be noted that, the top end of the inner screw 4 is fixedly connected with a top disk 8, the specification of the top disk 8 is adapted to the inner diameter of the column groove 12, and the height of the inner screw 4 is the sum of the heights of the column groove 12 and the bottom side column of the connecting sleeve 2.

In this embodiment, it should be noted that a shock-absorbing ring pad 3 fixedly sleeved on the outer side of the strut 5 is disposed between the piston rod 1 and the connecting sleeve 2.

In this embodiment, it should be noted that a threaded ring sleeved with the connecting rod is disposed on the outer side of the bottom end of the connecting sleeve 2.

The working principle and the using flow of the utility model are as follows: when the device is needed to connect the connecting rod, the clamping columns 6 at the bottom ends of the piston rod 1 and the supporting rods 5 are sleeved in the clamping grooves 9, the clamping edges 7 penetrate through the first side grooves 10 and are sleeved in the column grooves 12 along with the clamping columns 6, then the column grooves 12 are rotated to enable the clamping columns 6 to be rotated to the lower side of the second side grooves 11, then the inner screw 4 is rotated to eject the clamping columns 6 upwards, the clamping edges 7 at the outer side of the inner screw are sleeved in the second side grooves 11, therefore the device is efficiently sleeved, the device is matched with the connecting rod to be connected, the operation is relatively simple, and the inner clamping type sleeving can not only avoid vertical sliding and abnormal positions, but also avoid the occurrence of abnormal rotation.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A piston rod connection device, characterized in that: including even cover (2) of piston rod (1) and bottom, the positive center department fixedly connected with branch (5) of piston rod (1) bottom surface, and the bottom mounting cover of branch (5) is equipped with draw-in column (6), even cover (2) top surface's positive center department seted up with branch (5) draw-in groove (9) the same specification, even cover (2) top set up be located draw-in groove (9) outside and with draw-in edge (7) specification looks adaptation first limit groove (10), even be provided with in cover (2) be located draw-in groove (9) below post groove (12), and even cover (2) inboard set up with post groove (12) want second limit groove (11) of intercommunication.

2. A piston rod connection according to claim 1, wherein: the first side groove (10) is communicated between the outer side of the connecting sleeve (2) and the column groove (12), and the first side groove (10) is communicated with the inner cavity of the clamping groove (9).

3. A piston rod connection according to claim 1, wherein: the height of the second side groove (11) is the same as that of the clamping side (7), and the two groups of first side grooves (10) and the second side grooves (11) are distributed in a cross shape.

4. A piston rod connection according to claim 1, wherein: the bottom of the connecting sleeve (2) is provided with a thread groove communicated with the column groove (12), and the inner side of the piston rod (1) is sleeved with an inner screw rod (4) through the thread groove.

5. A piston rod connection according to claim 4, wherein: the top of interior screw rod (4) fixedly connected with roof dish (8), the specification of roof dish (8) and post groove (12) internal diameter looks adaptation, and the height of interior screw rod (4) is the sum of post groove (12) and even cover (2) bottom side cylinder.

6. A piston rod connection according to claim 1, wherein: a damping ring pad (3) fixedly sleeved on the outer side of the supporting rod (5) is arranged between the piston rod (1) and the connecting sleeve (2).

7. A piston rod connection according to claim 1, wherein: the outer side of the bottom end of the connecting sleeve (2) is provided with a thread ring sleeved with the connecting rod.