CN216975751U

CN216975751U - Piston rod with protection function

Info

Publication number: CN216975751U
Application number: CN202220505736.4U
Authority: CN
Inventors: 张茂财; 张炜
Original assignee: Qingdao Zhangshi Shangjia Technology Co ltd
Current assignee: Qingdao Zhangshi Shangjia Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-15
Anticipated expiration: 2032-03-10

Abstract

The utility model provides a piston rod with a protection function, which comprises: the piston cylinder is arranged on the left side inside the protective shell, the lifting lug, the piston cylinder, the piston rod and the protective shell, the piston is arranged in the middle inside the piston cylinder, the piston rod is connected to the right side of the piston, the lifting lug is connected to the right end of the piston rod, three positioning sleeves are arranged on the outer wall of the right end of the piston cylinder, a moving rod is arranged in each positioning sleeve, the right ends of the three moving rods are connected with a fixing ring, supporting rods are connected to the inner sides of the three fixing rings, and connecting rings are arranged on the inner sides of the three supporting rods. Through setting up three bracing piece, three carriage release lever and the solid fixed ring of triangle-shaped structure, can support the piston rod, prevent that the piston rod from shifting when using and rocking, improve the intensity of piston rod, make the difficult rupture of piston rod, through setting up the oil-proof cover, can prevent that liquid from dripping at the piston rod outer wall, cause the corruption to the piston rod outer wall.

Description

Piston rod with protection function

Technical Field

The utility model belongs to the technical field of piston rods, and particularly relates to a piston rod with a protection function.

Background

The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a movement component with frequent movement and high technical requirement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a piston rod with a protection function, and solves the problems in the background technology.

The utility model is realized by the following technical scheme: a piston rod with a shielding function, comprising: protecting crust, lug, piston cylinder, piston rod the inside left side of protecting crust is provided with the piston cylinder, be provided with the piston in the middle of the piston cylinder is inside, piston rod is connected on the piston right side, the lug is connected to the piston rod right-hand member, piston cylinder right-hand member outer wall is provided with three position sleeve, and is three all install a carriage release lever in the position sleeve, and is three fixed ring, three are all connected to the carriage release lever right-hand member fixed ring inboard joint support pole, three the bracing piece inboard is provided with the go-between, the oil proof cover is connected on the protecting crust right side, and is three the spacing collar is all connected to the carriage release lever left end.

As a preferred embodiment, the upper part of the left end face of the protective shell is provided with an exhaust hole, an exhaust plug is arranged in the middle of the exhaust hole, an oil filling hole is arranged in the middle of the left end face of the protective shell, a sealing plug is arranged in the middle of the oil filling hole, an oil outlet is arranged in the middle of the lower part of the piston cylinder, and an oil guide pipe is connected to the lower part of the oil outlet.

As a preferred embodiment, the three positioning sleeves are installed in a triangular opposite direction in actual use, the three positioning sleeves are fixed to the outer wall of the piston cylinder in actual use, the outer walls of the three moving rods are attached to the inner walls of the three positioning sleeves in actual use, and the three moving rods respectively penetrate through the three positioning sleeves to be connected with the three limiting rings in actual use.

As a preferred embodiment, the three positioning sleeve positions are respectively symmetrical with the three fixing rings in position in actual use, the three fixing rings are respectively connected with the connecting ring through the supporting rods in actual use, the three supporting rods form a triangular structure, the connecting ring is connected with the outer wall of the piston rod in actual use, and the three fixing rings are respectively fixed with the moving rod in actual use.

As a preferred embodiment, the exhaust hole communicates with the piston cylinder when in actual use, the oil filler point communicates with the piston cylinder when in actual use, the oil-out communicates with the piston cylinder when in actual use, the exhaust hole and air release plug threaded connection when in actual use, the oil filler point and sealing plug threaded connection when in actual use, the exhaust hole inner wall is provided with the internal thread when in actual use, the oil filler hole inner wall is provided with the internal thread when in actual use, sealing plug lower extreme outer wall is provided with the external screw thread when in actual use, air release plug lower extreme outer wall is provided with the external screw thread when in actual use.

As a preferred embodiment, three spacing collar cross section diameter all is greater than three positioning sleeve cross section diameter when in actual use, oil pipe runs through the protecting crust when in actual use, oil pipe lower extreme face is installed and is sealed up, the lug sets up to annular structure when in actual use, the grease proofing cover is selected as the flexible rubber sleeve of high elasticity in actually selecting.

After the technical scheme is adopted, the utility model has the beneficial effects that: through setting up three bracing piece, three carriage release lever and the solid fixed ring of triangle-shaped structure, can support the piston rod, prevent that the piston rod from shifting when using and rocking, improve the intensity of piston rod, make the difficult rupture of piston rod, through setting up the oil-proof cover, can prevent that liquid from dripping at the piston rod outer wall, cause the corruption to the piston rod outer wall.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a piston rod with a protection function according to the present invention.

Fig. 2 is a schematic diagram of a piston cylinder in a piston rod with a shielding function according to the present invention as seen from the right.

Fig. 3 is a front cross-sectional schematic view of a piston rod with a shielding function according to the present invention.

Fig. 4 is a left-side schematic view of a piston rod with a protection function according to the present invention.

In the figure, 1-a protective shell, 2-an oil-proof sleeve, 3-a lifting lug, 4-a piston cylinder, 5-a piston, 6-a piston rod, 7-a positioning sleeve, 8-a moving rod, 9-a limiting ring, 10-a fixing ring, 11-a connecting ring, 12-an exhaust hole, 13-an exhaust plug, 14-an oil filling hole, 15-a sealing plug, 16-an oil outlet, 17-an oil guide pipe and 18-a supporting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a piston rod with a shielding function comprising: protecting crust 1, lug 3, piston cylinder 4, piston 5, piston rod 6, 1 inside left side of protecting crust is provided with piston cylinder 4, be provided with piston 5 in the middle of 4 inside of piston cylinder, piston rod 6 is connected on the piston 5 right side, lug 3 is connected to 6 right-hand members of piston rod, 4 right-hand members outer walls of piston cylinder are provided with three position sleeve 7, all install a carriage release lever 8 in the three position sleeve 7, solid fixed ring 10 is all connected to 8 right-hand members of three carriage release lever, the inboard joint support pole 18 that all connects of three fixed

ring

10, 18 inboards of three bracing piece are provided with go-between 11, 1 right side of protecting crust connects grease proofing cover 2, spacing collar 9 is all connected to 8 left ends of three carriage release lever, spacing collar 9 can restrict carriage release lever 8 and break away from position sleeve 7.

The exhaust hole 12 is arranged above the left end face of the protection shell 1, the exhaust plug 13 is installed in the middle of the exhaust hole 12, the oil filling hole 14 is formed in the middle of the left end face of the protection shell 1, the sealing plug 15 is installed in the middle of the oil filling hole 14, the oil outlet 16 is formed in the middle of the lower portion of the piston cylinder 4, the oil guide pipe 17 is connected to the lower portion of the oil outlet 16, and hydraulic oil inside the piston cylinder 4 can be discharged through the oil guide pipe 17.

Three position sleeve 7 is the installation of triangle relative direction in the time of in-service use, and three position sleeve 7 is fixed with 4 outer walls of piston cylinder in the time of in-service use, and the laminating of three 8 outer walls of carriage release lever and the 7 inner walls of three position sleeve in the time of in-service use, and three carriage release lever 8 passes three position sleeve 7 respectively in the time of in-service use and is connected with three spacing collar 9, and carriage release lever 8 can be at 7 inside removal of position sleeve.

Three position sleeve 7 position is symmetrical each other with three solid fixed ring 10 position respectively in actual use, three solid fixed ring 10 is connected with go-between 11 through bracing piece 18 respectively in actual use, three bracing piece 18 forms the triangle-shaped structure, go-between 11 is connected with 6 outer wall of piston rod in actual use, three fixed ring 10 is fixed with the carriage release lever 8 respectively in actual use, bracing piece 18 can be through go-between 11 support piston rod 6.

Exhaust hole 12 communicates with piston cylinder 4 in the time of in-service use, oil filler point 14 communicates with piston cylinder 4 in the time of in-service use, oil-out 16 communicates with piston cylinder 4 in the time of in-service use, exhaust hole 12 and air release plug 13 threaded connection in the time of in-service use, oil filler point 14 and sealing plug 15 threaded connection in the time of in-service use, exhaust hole 12 inner wall is provided with the internal thread in the time of in-service use, 14 inner walls of oil filler point are provided with the internal thread in the time of in-service use, sealing plug 15 lower extreme outer wall is provided with the external screw thread in the time of in-service use, 13 lower extreme outer walls of air release plug are provided with the external screw thread in the time of in-service use, threaded connection is difficult for droing.

The diameter of the cross section of the three limiting rings 9 is larger than the diameter of the cross section of the three positioning sleeves 7 in actual use, the oil guide pipe 17 penetrates through the protective shell 1 in actual use, the lower end face of the oil guide pipe 17 is provided with a sealing plug, the lifting lugs 3 are arranged to be of an annular structure in actual use, the oil-proof sleeve 2 is selected to be a high-elasticity telescopic rubber sleeve in actual selection, and the oil-proof sleeve 2 has good elasticity.

As an embodiment of the present invention: before actual use, a worker firstly disconnects the sealing plug 15 from the oil injection hole 14, then disconnects the sealing plug from the oil guide pipe 17, connects an external hydraulic device with the oil injection hole 14 and the oil guide pipe 17, in actual use, under the action of the external hydraulic device, hydraulic oil enters the piston cylinder 4 to push the piston 5, the piston 5 pushes the piston rod 6, the piston rod 6 drives the three support rods 18 to move through the connecting rings 11 while the piston rod 6 moves, the three support rods 18 respectively drive the three moving rods 8 to move through the fixing rings 10, the left ends of the three moving rods 8 move inside the positioning sleeve 7, when the piston rod 6 is used, the three support rods 18, the three fixing rings 10 and the connecting rings 11 support the piston rod 6 in a triangular structure, so that the piston rod 6 is not easy to displace and shake in use, and the triangular structure has stable support performance, can improve the intensity of piston rod 6, make piston rod 6 be difficult for the rupture when using, when solid fixed ring 10 removes, solid fixed ring 10 drives the stretch of oil proof cover 2, and oil proof cover 2 can prevent that outside liquid from dripping at 6 outer walls of piston rod, causes the corruption to piston rod 6.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A piston rod with a shielding function, comprising: protective housing (1), lug (3), piston cylinder (4), piston (5), piston rod (6), the inside left side of protective housing (1) is provided with piston cylinder (4), piston cylinder (4) are provided with piston (5) in the middle of inside, piston rod (6) are connected on piston (5) right side, lug (3), its characterized in that are connected to piston rod (6) right-hand member: piston cylinder (4) right-hand member outer wall is provided with three positioning sleeve (7), and is three all install a carriage release lever (8), it is three in positioning sleeve (7) fixed ring (10) are all connected to carriage release lever (8) right-hand member, and is three fixed ring (10) inboard joint support pole (18), it is three bracing piece (18) inboard is provided with go-between (11), oil-proof cover (2), three are connected on protecting crust (1) right side spacing collar (9) are all connected to carriage release lever (8) left end.

2. A piston rod with a guard function as claimed in claim 1, wherein: the oil-gas separation type oil-gas separation device is characterized in that an exhaust hole (12) is formed in the upper portion of the left end face of the protective shell (1), an exhaust plug (13) is installed in the middle of the exhaust hole (12), an oil filling hole (14) is formed in the middle of the left end face of the protective shell (1), a sealing plug (15) is installed in the middle of the oil filling hole (14), an oil outlet (16) is formed in the middle of the lower portion of the piston cylinder (4), and an oil guide pipe (17) is connected to the lower portion of the oil outlet (16).

3. A piston rod with a guard function as claimed in claim 1, wherein: the three positioning sleeves (7) are installed in a triangular opposite direction, the three positioning sleeves (7) are fixed to the outer wall of the piston cylinder (4), the outer walls of the three moving rods (8) are attached to the inner walls of the three positioning sleeves (7), and the three moving rods (8) penetrate through the three positioning sleeves (7) respectively to be connected with the three limiting rings (9).

4. A piston rod with a guard function according to claim 3, wherein: it is three position sleeve (7) position is symmetrical each other with three solid fixed ring (10) position respectively, and is three solid fixed ring (10) are connected with go-between (11) through bracing piece (18) respectively, and are three bracing piece (18) form the triangle structure, go-between (11) and piston rod (6) outer wall connection, three gu fixed ring (10) are fixed with carriage release lever (8) respectively.

5. A piston rod with a guard function as claimed in claim 2, wherein: exhaust hole (12), oil filler point (14), oil-out (16) all communicate with piston cylinder (4), exhaust hole (12) and core vent (13) threaded connection, oil filler point (14) and sealing plug (15) threaded connection, exhaust hole (12) and core vent (14) inner wall all are provided with the internal thread, sealing plug (15) and core vent (13) lower extreme outer wall all are provided with the external screw thread.

6. A piston rod with a shielding function according to claim 5, wherein: it is three spacing collar (9) cross section diameter all is greater than three position sleeve (7) cross section diameter, lead oil pipe (17) and run through protecting crust (1), it blocks up to lead the terminal surface to install under oil pipe (17), lug (3) are the loop configuration, prevent that oil jacket (2) are the flexible rubber sleeve of a high elastic force.