CN219509928U

CN219509928U - Anti-deformation piston rod

Info

Publication number: CN219509928U
Application number: CN202320724758.4U
Authority: CN
Inventors: 杨坤
Original assignee: Ningbo Shengsheng Hardware Products Co ltd
Current assignee: Ningbo Shengsheng Hardware Products Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-11
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses an anti-deformation piston rod, which comprises a piston rod body and a cylinder body, wherein fixed blocks are fixed at the left end and the right end of the cylinder body, and a plurality of limiting rod bodies are arranged between the two fixed blocks; a fixed disc is fixed on the rod body of the piston rod body, a limiting slide bar is fixed on one side of the fixed disc and at the positions corresponding to the limiting rod bodies, and the limiting slide bar movably penetrates into the limiting rod bodies; through many spacing body of rod of design on the cylinder to and fixed disc, spacing slide bar isotructure of design on the piston rod body, and then make the piston rod body can receive the spacing direction from spacing body of rod and spacing slide bar a plurality of directions when the internal activity of cylinder body, increased the direction nature and the uniqueness of piston rod body when the motion, thereby can effectually reduce the piston rod body and take place to rock even the possibility of warping when the motion.

Description

Anti-deformation piston rod

Technical Field

The utility model relates to the technical field of piston rods, in particular to an anti-deformation piston rod.

Background

The piston rod is a connecting component for supporting the piston to do work, and most of the piston rod is applied to the cylinder and cylinder motion executing component and is a motion component with frequent motion and high technical requirements.

When the piston rod moves in the oil cylinder or the air cylinder, the piston rod moves usually in a straight line, and the piston rod is inevitably affected by traction force of the connecting piece in the movement process to vibrate or shake. Just like the published patent in China: "CN216589384U, a pneumatic piston rod, mentioned: because the piston rod of cylinder can produce vibrations under high-speed flexible condition, produce striking "to the cylinder body, this technique: the technology realizes the motion buffering of the piston rod, but only buffering of the vertical end can be realized by adding the buffering end, and when the piston rod moves vertically, the force from the left and right directions can be received due to the traction of the connecting piece, when the force from the left and right directions is large, the piston rod can shake in the left and right directions when moving, even deformation occurs, and once the situation occurs, the normal operation of the cylinder can be seriously influenced, so that the equipment cannot work normally.

Therefore, in order to enable the piston rod on the cylinder to reduce the probability of deformation during operation, we have devised an anti-deformation piston rod.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-deformation piston rod comprises a piston rod body and a cylinder body, wherein fixed blocks are fixed at the left end and the right end of the cylinder body, and a plurality of limiting rod bodies are arranged between the two fixed blocks; a fixed disc is fixed on the rod body of the piston rod body, a limiting slide bar is fixed on one side of the fixed disc and at the positions corresponding to the limiting rod bodies, and the limiting slide bar movably penetrates into the limiting rod bodies; the piston rod body comprises an outer rod and an inner rod which is connected inside the outer rod in a sliding mode, a piston mounting rod is fixed at one end of the inner rod, and a piston is fixed on a rod body of the piston mounting rod.

As a further scheme of the utility model: the inner chamber one side of cylinder body still is fixed with the mounting box, be annular on the inner wall of mounting box and install four pressure sensor, and every pressure sensor all is connected with the audible-visual annunciator that sets up on the fixed block through the wire, pressure sensor passes through the wire with audible-visual annunciator and is connected with the commercial power.

As a further scheme of the utility model: still be fixed with the installation piece on the inside wall of installation box, on the inner wall of installation piece and with every pressure sensor corresponding position department all be fixed with fixed frame, movable grafting has the thimble in the inner chamber of fixed frame, the one end of thimble is the button head structure and is close to outer pole surface, the other end of thimble is planar structure and is close to pressure sensor.

As a further scheme of the utility model: the ejector pin is characterized in that a fixing piece is further fixed on the rod body of the ejector pin, a spring sleeved on the ejector pin is fixed on the fixing piece, and the other end of the spring is fixed on the inner wall of the fixing frame.

As a further scheme of the utility model: the piston rod body movably penetrates through the inner cavity of the cylinder body, the piston is connected to the inner wall of the cylinder body in a sliding mode, and the outer rod movably penetrates through the mounting box and the mounting block.

As a further scheme of the utility model: four limit sliding grooves are formed in the surface of the inner rod in an annular mode, T-shaped supporting blocks are fixedly inserted into the side walls of the inner rod and located at positions between every two limit sliding grooves, four limit sliding blocks are integrally formed in the inner wall of the outer rod in an annular mode, the inner rod is in sliding connection with the limit sliding blocks of the outer rod through the limit sliding grooves, and the supporting blocks are attached to the inner wall of the outer rod.

As a further scheme of the utility model: one end of the outer rod is welded with a flange, and the outer rod is fixed with the piston mounting rod through a flange and a bolt.

As a further scheme of the utility model: one side of the installation box is also provided with a box cover which is fixedly connected with the installation box through bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the structures of the plurality of limiting rod bodies designed on the air cylinder, the fixed disc, the limiting slide rod and the like designed on the piston rod body, the piston rod body can be subjected to limiting guidance from the plurality of directions of the limiting rod body and the limiting slide rod when the interior of the air cylinder body moves, the guidance and uniqueness of the piston rod body when in movement are increased, so that the possibility of shaking or even deformation of the piston rod body when in movement can be effectively reduced, and the piston rod body is designed into the outer rod and the inner rod, and the strength of the whole piston rod body can be improved through the stress action of the supporting block and the limiting slide block, so that the probability of deformation of the piston rod body when in vibration or shaking is further reduced.

2. According to the utility model, through the structures such as the mounting box, the mounting block, the thimble, the pressure sensor, the audible and visual alarm and the like which are designed on the cylinder body, the running state of the piston rod body can be monitored in real time, that is, when the piston rod body moves on the cylinder and moves in a non-vertical mode, the audible and visual alarm can be timely triggered by the piston rod body, so that an alarm can be timely sent to a worker, the worker is reminded of timely processing, further deterioration of an accident is avoided, and the safety of equipment is effectively ensured.

Drawings

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

FIG. 2 is a schematic elevational cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

FIG. 4 is a schematic elevational cross-sectional view of the piston rod body of the present utility model;

FIG. 5 is a schematic perspective view of the piston rod body of the present utility model;

FIG. 6 is a schematic cross-sectional structural view of the piston rod body of the present utility model;

FIG. 7 is a schematic perspective view of the inner rod of the present utility model;

fig. 8 is a schematic elevational view of the present utility model.

Reference numerals and names in the drawings are as follows:

1. a piston rod body; 101. a piston; 102. a piston mounting rod; 103. an outer rod; 104. an inner rod; 2. a cylinder body; 3. a fixed block; 4. a limit rod body; 5. a fixed disc; 6. a limit slide bar; 7. an audible and visual alarm; 8. a mounting box; 9. a mounting block; 10. a fixed frame; 11. a spring; 12. a fixing piece; 13. a thimble; 14. a pressure sensor; 15. limiting sliding grooves; 16. a support block; 17. and a limit sliding block.

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. 1-8, an anti-deformation piston rod comprises a piston rod body 1 and a cylinder body 2, wherein fixing blocks 3 are fixed at the left end and the right end of the cylinder body 2, a plurality of limiting rod bodies 4 are arranged between the two fixing blocks 3, and the fixing blocks 3 facilitate connection between the cylinder body 2 and equipment on one hand and can stabilize the limiting rod bodies 4 on the other hand; a fixed disc 5 is fixed on the rod body of the piston rod body 1, one side of the fixed disc 5 and the positions corresponding to the plurality of limiting rod bodies 4 are respectively fixed with a limiting slide rod 6, the limiting slide rods 6 movably penetrate into the limiting rod bodies 4, and the fixed disc 5 can be used for fixedly connecting the plurality of limiting slide rods 6, so that the limiting slide rods 6 stably move in the limiting rod bodies 4; the piston rod body 1 comprises an outer rod 103 and an inner rod 104 which is connected inside the outer rod in a sliding way, one end of the inner rod 104 is fixed with a piston mounting rod 102, and a rod body of the piston mounting rod 102 is fixed with a piston 101.

In the embodiment, an installation box 8 is also fixed on one side of the inner cavity of the cylinder body 2, four pressure sensors 14 are annularly installed on the inner wall of the installation box 8, each pressure sensor 14 is connected with an audible and visual alarm 7 arranged on the fixed block 3 through a wire, and the pressure sensors 14 are connected with the audible and visual alarm 7 through wires and a mains supply; the mounting box 8 is also fixedly provided with a mounting block 9 on the inner side wall, a fixing frame 10 is fixed on the inner wall of the mounting block 9 at the position corresponding to each pressure sensor 14, a thimble 13 is movably inserted in the inner cavity of the fixing frame 10, one end of the thimble 13 is of a round head structure and is close to the surface of an outer rod 103, the other end of the thimble 13 is of a plane structure and is close to the pressure sensor 14, a fixing sheet 12 is also fixed on the rod body of the thimble 13, a spring 11 sleeved on the thimble 13 is fixed on the fixing sheet 12, and the other end of the spring 11 is fixed on the inner wall of the fixing frame 10; one side of the mounting box 8 is also provided with a box cover which is fixedly connected with the mounting box 8 through bolts, the piston rod body 1 movably penetrates through the inner cavity of the cylinder body 2, the piston 101 is slidably connected to the inner wall of the cylinder body 2, and the outer rod 103 movably penetrates through the mounting box 8 and the mounting block 9.

Specifically, four pressure sensor 14 correspond four thimble 13, can effectually carry out spacing monitoring to four directions of piston rod body 1 simultaneously, when piston rod body 1 rocks towards arbitrary direction, all can be timely send the alarm to the staff, the security of increase piston rod body 1 during operation, and design spring 11 on thimble 13 has then guaranteed that thimble 13 can return after the activity, convenient subsequent use, and set up the lid in one side of installation box 8, then made things convenient for the follow-up lid to keep away from installation box 8, made things convenient for the staff to maintain the inside subassembly of installation box 8.

In this embodiment, four limit sliding grooves 15 are formed in the surface of the inner rod 104 in an annular manner, T-shaped supporting blocks 16 are fixedly inserted into the side walls of the inner rod 104 and located at positions between every two limit sliding grooves 15, four limit sliding blocks 17 are integrally formed in the inner wall of the outer rod 103 in an annular manner, the inner rod 104 is slidably connected with the limit sliding blocks 17 of the outer rod 103 through the limit sliding grooves 15, the supporting blocks 16 are attached to the inner wall of the outer rod 103, a flange is welded at one end of the outer rod 103, and the outer rod 103 is fixed with a piston mounting rod 102 through a flange in a bolt manner.

Specifically, through designing the piston rod body 1 into outer pole 103 and interior pole 104, can promote the intensity of whole piston rod body 1 through supporting shoe 16, limit slider 17's atress effect, further reduce piston rod body 1 and receive the probability that appears warping when vibrations, rocking, and outer pole 103 passes through flange and piston installation pole 102 bolt fastening, has made things convenient for the separation and the installation maintenance of outer pole 103 and interior pole 104 promptly.

In the course of the use of the device,

when the piston rod body 1 moves linearly in the cylinder body 2, the piston rod body 1 drives the four limit sliding rods 6 to synchronously move in the four limit rod bodies 4, and further the four limit sliding rods 6 are utilized to simultaneously limit, guide and protect the periphery of the piston rod body 1, so that the possibility of deformation of the piston rod body 1 can be effectively reduced, and meanwhile, when the piston rod body 1 moves, the supporting blocks 16 and the limit sliding blocks 17 between the outer rod 103 and the inner rod 104 can bear certain pressure from the outside, namely, a certain pressure interference (offset) effect can be obtained, the compression resistance effect of the whole piston rod body 1 is further improved, and the possibility of deformation is reduced;

when the piston rod body 1 is in linear motion in the cylinder body 2, as the mounting box 8 is designed at one end of the cylinder body 2, and a plurality of pressure sensors 14 are arranged in the mounting box 8, when the piston rod body 1 moves normally, the piston rod body 1 is not contacted with the thimble 13, and when the piston rod body 1 shakes, the piston rod body 1 can collide with the thimble 13 (the running state of the piston rod body 1 can be monitored in four directions) so as to contact with the pressure sensors 14 by one end of the thimble 13, when the pressure sensors 14 receive pressure signals from the thimble 13, the pressure sensors can timely feed back to the audible and visual alarm 7, and then timely alarm information of audible and visual to the on-site staff is utilized by the audible and visual alarm 7, so that the staff is reminded of processing at the first time, and further deterioration of accidents is avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model 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.

Claims

1. The anti-deformation piston rod comprises a piston rod body (1) and a cylinder body (2), and is characterized in that fixed blocks (3) are fixed at the left end and the right end of the cylinder body (2), and a plurality of limiting rod bodies (4) are arranged between the two fixed blocks (3);

a fixed disc (5) is fixed on the rod body of the piston rod body (1), a limiting slide rod (6) is fixed on one side of the fixed disc (5) and at the positions corresponding to the plurality of limiting rod bodies (4), and the limiting slide rod (6) movably penetrates into the limiting rod bodies (4);

the piston rod body (1) comprises an outer rod (103) and an inner rod (104) which is connected inside the outer rod in a sliding mode, a piston mounting rod (102) is fixed at one end of the inner rod (104), and a piston (101) is fixed on a rod body of the piston mounting rod (102).

2. The anti-deformation piston rod according to claim 1, wherein an installation box (8) is further fixed on one side of an inner cavity of the cylinder body (2), four pressure sensors (14) are annularly installed on the inner wall of the installation box (8), each pressure sensor (14) is connected with an audible and visual alarm (7) arranged on the fixed block (3) through a wire, and the pressure sensors (14) are connected with the audible and visual alarm (7) through wires and a mains supply.

3. The anti-deformation piston rod according to claim 2, wherein an installation block (9) is further fixed on the inner side wall of the installation box (8), a fixing frame (10) is fixed on the inner wall of the installation block (9) and at positions corresponding to each pressure sensor (14), a thimble (13) is movably inserted into an inner cavity of the fixing frame (10), one end of the thimble (13) is of a round head structure and is close to the surface of the outer rod (103), and the other end of the thimble (13) is of a plane structure and is close to the pressure sensor (14).

4. A deformation-preventing piston rod according to claim 3, wherein a fixing piece (12) is further fixed on the rod body of the thimble (13), a spring (11) sleeved on the thimble (13) is fixed on the fixing piece (12), and the other end of the spring (11) is fixed on the inner wall of the fixing frame (10).

5. A deformation-preventing piston rod according to claim 1, wherein the piston rod body (1) movably penetrates into the inner cavity of the cylinder body (2), the piston (101) is slidably connected to the inner wall of the cylinder body (2), and the outer rod (103) movably penetrates through the mounting box (8) and the mounting block (9).

6. The anti-deformation piston rod according to claim 1, wherein four limit sliding grooves (15) are formed in the surface of the inner rod (104) in an annular mode, T-shaped supporting blocks (16) are fixedly inserted into the side walls of the inner rod (104) and located at positions between every two limit sliding grooves (15), four limit sliding blocks (17) are integrally formed in the inner wall of the outer rod (103) in an annular mode, the inner rod (104) is in sliding connection with the limit sliding blocks (17) of the outer rod (103) through the limit sliding grooves (15), and the supporting blocks (16) are attached to the inner wall of the outer rod (103).

7. A deformation-preventing piston rod according to claim 1, wherein one end of the outer rod (103) is welded with a flange, and the outer rod (103) is bolted to the piston mounting rod (102) via the flange.

8. A deformation-preventing piston rod according to claim 2, characterized in that a cap is further provided on one side of the mounting box (8), which cap is fixedly connected with the mounting box (8) by means of bolts.