CN218717852U

CN218717852U - Oil cylinder with locking function

Info

Publication number: CN218717852U
Application number: CN202222789225.2U
Authority: CN
Inventors: 李会臣; 周元聪
Original assignee: Jinan Fu Chi Technology Co ltd
Current assignee: Jinan Fu Chi Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a hydro-cylinder with locking function, including cylinder body, piston rod, protecgulum and hou gai, the both ends at the cylinder body are fixed through fastening bolt to protecgulum and hou gai, piston movable mounting is in the inside of cylinder body, and the one end of piston rod is installed on the piston, and the other end of piston rod runs through the outside that the protecgulum extends to the cylinder body, still includes hydraulic locking subassembly and mechanical locking subassembly, mechanical locking subassembly fixed mounting is on the cylinder body, and mechanical locking subassembly and piston rod cooperate, hydraulic locking subassembly installs on mechanical locking subassembly, and hydraulic locking subassembly is connected with the cylinder body. The utility model discloses hydraulic locking subassembly can realize the purpose to the locking of the full stroke of hydraulic cylinder's piston rod, is used for the reliability that can further lock the hydro-cylinder, reinforcing hydraulic cylinder locking at mechanical locking subassembly simultaneously.

Description

Oil cylinder with locking function

Technical Field

The utility model belongs to the technical field of the hydro-cylinder, in particular to hydro-cylinder with locking function.

Background

The hydraulic oil cylinder is a device driven by hydraulic oil to output power, and mainly comprises a cylinder barrel, a piston rod and the like, and when the hydraulic oil cylinder works, the piston and the piston rod are pushed to move by the hydraulic oil. In some working occasions, when a piston rod extends to a certain position, the piston rod needs to be kept in the state for a long time, so that a self-locking mechanism needs to be arranged on the hydraulic oil cylinder.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, providing a hydro-cylinder with locking function, hydraulic pressure locking Assembly can realize the purpose to the locking of the full stroke of hydraulic cylinder's piston rod, is used for the reliability that can further lock the hydro-cylinder, reinforcing hydraulic cylinder locking at mechanical locking Assembly simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides an hydro-cylinder with locking function, includes cylinder body, piston rod, protecgulum and hou gai, the protecgulum passes through fastening bolt with the hou gai and fixes the both ends at the cylinder body, piston movable mounting is in the inside of cylinder body, and the one end of piston rod is installed on the piston, and the other end of piston rod runs through the outside that the protecgulum extended to the cylinder body, still includes hydraulic locking subassembly and mechanical locking subassembly, mechanical locking subassembly fixed mounting is on the cylinder body, and mechanical locking subassembly cooperatees with the piston rod, hydraulic locking subassembly installs on mechanical locking subassembly, and hydraulic locking subassembly is connected with the cylinder body.

Preferably, the hydraulic locking assembly comprises a first oil pipe, a second oil pipe, a first check valve and a second check valve, one end of the first oil pipe is installed on the first check valve, the other end of the first oil pipe is installed at one end of the cylinder body, one end of the second oil pipe is installed on the second check valve, the other end of the second oil pipe is fixedly installed at the other end of the cylinder body, the first check valve, the second check valve, the first oil pipe and the second oil pipe are matched with each other, the purpose of full-stroke locking of the piston rod is achieved through control over entering and exiting hydraulic oil, reliability of locking of the oil cylinder is enhanced, and normal work of the oil cylinder is guaranteed.

Preferably, the mechanical locking assembly comprises a support, a support and a limiting part, the support is fixedly mounted on the cylinder body, the support is fixedly mounted on the piston rod, the support is in sliding fit with the support, the limiting part is fixedly mounted on the support and is matched with the support, and the mechanical locking assembly is used for locking and supporting the oil cylinder to ensure normal operation of the oil cylinder.

Preferably, the support includes that fixed plate and symmetry install the curb plate in fixed plate central line both sides, and still install the shutoff board at the other end of curb plate, there is the mounting panel in the outside fixed mounting of curb plate, it has the sliding hole to open in the inboard of mounting panel, sliding hole and support piece sliding fit, the support is used for supporting the cylinder body, and make things convenient for the staff to install the cylinder body, support piece can prevent under the cooperation of sliding hole that support piece from taking place the skew at the in-process of motion, it can mutually support with the locating part and lock the piston rod to have guaranteed the locking effect to the piston rod to support piece.

Preferably, support piece includes backup pad and fixed mounting at the slide bar at backup pad both ends, the slide bar is established in the sliding hole, and slide bar and sliding hole sliding fit, it has the fixed orifices to open on the slide bar, can prevent under the cooperation of sliding hole and slide bar that the in-process slide bar that the slide bar removed from taking place the skew, not only guarantees that the slide bar can play the purpose of support to the backup pad, can also guarantee the purpose of slide bar direction simultaneously, prevents that the slide bar from taking place the skew at the in-process of motion.

Preferably, the side wall of the sliding rod is provided with a bulge, the side wall of the sliding hole is provided with a groove, the bulge is in sliding fit with the groove, and the bulge and the groove are matched to ensure that the sliding rod cannot deviate in the moving process, so that the normal work of the sliding rod is ensured.

Preferably, the locating part includes fixed block, lifter plate and handle, opens at the top of fixed block has the countersunk groove, and it has spacing hole and fixed slot to open in the bottom in countersunk groove, the fixed slot symmetry sets up in the both sides in spacing hole, has telescopic link and spring at the internally mounted of fixed slot, the bottom at the fixed slot is installed to the one end of telescopic link, and the other end fixed mounting of telescopic link is in the bottom of lifter plate, the spring housing is on the telescopic link, and the both ends of spring are fixed mounting in the bottom of fixed slot and the bottom of lifter plate respectively, the top at the lifter plate is installed to the handle, installs the limiting plate in the bottom of lifter plate, and spacing hole and limiting plate cooperate, open on the mounting panel has the via hole, and the via hole cooperatees with the limiting plate, and the limiting plate cooperates with the fixed orifices, and the motion that the slide bar can be restricted to the mutually supporting of limiting plate and fixed orifices to realize the mesh of locking piston rod, the setting up of telescopic link and spring can guarantee that the one end of limiting plate is in the fixed orifices all the fixed orifices and lock the piston rod all the assurance all the time, and the staff's that the handle stimulates the lifter plate, and the lifter plate drives and comes out from the fixed orifices, removes the locking to the hydro-cylinder.

The utility model has the advantages that:

1) The hydraulic locking assembly of the device can achieve the purpose of locking the full stroke of the piston rod of the hydraulic oil cylinder, and meanwhile, the mechanical locking assembly is used for further locking the oil cylinder, so that the locking reliability of the hydraulic oil cylinder is enhanced.

2) According to the device, the first check valve, the second check valve, the first oil pipe and the second oil pipe are matched with each other, the purpose of locking the full stroke of the piston rod is achieved through controlling the hydraulic oil to enter and exit, the reliability of locking the oil cylinder is enhanced, and the normal work of the oil cylinder is ensured.

3) The mechanical locking assembly of the device is used for locking and supporting the oil cylinder, and the normal work of the oil cylinder is ensured.

4) The support is used for supporting the cylinder body, workers can install the cylinder body conveniently, the support can be prevented from shifting in the moving process under the matching of the support and the sliding hole, the support can be guaranteed to be matched with the limiting part to lock the piston rod, and the locking effect on the piston rod is guaranteed.

5) The in-process slide bar that can prevent the slide bar to remove takes place the skew under the cooperation of this device sliding hole and slide bar, not only guarantees that the slide bar can play the purpose of support to the backup pad, can also guarantee the purpose of slide bar direction simultaneously, prevents that the slide bar from taking place the skew at the in-process of motion.

6) The cooperation of this device arch and recess can guarantee that the slide bar can not take place the skew at the in-process of motion, has guaranteed the normal work of slide bar.

7) This device limiting plate can restrict the motion of slide bar with mutually supporting of fixed orifices to realize the purpose of locking the piston rod, the one end that the limiting plate can be guaranteed to the setting of telescopic link and spring is in the fixed orifices all the time, guarantees to lock the piston rod all the time, and the staff's pulling lifter plate of being convenient for that sets up of handle, lifter plate drive the limiting plate come out from the fixed orifices, removes the locking to the hydro-cylinder.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the cylinder body of the present invention.

Fig. 3 is a schematic structural diagram of the mechanical locking assembly of the present invention.

Fig. 4 is a schematic structural diagram of the middle support of the present invention.

Fig. 5 is a schematic structural diagram of the support member of the present invention.

Fig. 6 is a cross-sectional view of the middle stop part of the present invention.

In the figure: 1. a cylinder body; 2. a mechanical locking assembly; 201. a support member; 202. a limiting member; 203. a support; 204. a groove; 205. a side plate; 206. a via hole; 207. a fixing plate; 208. a slide hole; 209. a support plate; 2010. a slide bar; 2011. a fixing hole; 2012. a protrusion; 2013. a countersunk groove; 2014. a fixed block; 2015. fixing grooves; 2016. a limiting plate; 2017. a limiting hole; 2018. a telescopic rod; 2019. a spring; 2020. a handle; 2021. a lifting plate; 2022. a plugging plate; 3. a hydraulic locking assembly; 301. a first oil pipe; 302. a first check valve; 303. a second one-way valve; 304. a second oil pipe; 4. a rear cover; 5. a front cover; 6. a piston rod; 7. a piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-6, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-2, an oil cylinder with a locking function comprises a cylinder body 1, a piston 7, a piston rod 6, a front cover 5 and a rear cover 4, wherein the front cover 5 and the rear cover 4 are fixed at two ends of the cylinder body 1 through fastening bolts, the piston 7 is movably arranged inside the cylinder body 1, one end of the piston rod 6 is arranged on the piston 7, the other end of the piston rod 6 penetrates through the front cover 5 and extends to the outer side of the cylinder body 1, the oil cylinder further comprises a hydraulic locking assembly 3 and a mechanical locking assembly 2, the mechanical locking assembly 2 is fixedly arranged on the cylinder body 1, the mechanical locking assembly 2 is matched with the piston rod 6, the hydraulic locking assembly 3 is arranged on the mechanical locking assembly 2, and the hydraulic locking assembly 3 is connected with the cylinder body 1.

The hydraulic locking assembly 3 comprises a first oil pipe 301, a second oil pipe 304, a first check valve 302 and a second check valve 303, wherein one end of the first oil pipe 301 is installed on the first check valve 302, the other end of the first oil pipe 301 is installed at one end of the cylinder body 1, one end of the second oil pipe 304 is installed on the second check valve 303, and the other end of the second oil pipe 304 is fixedly installed at the other end of the cylinder body 1.

Under the mutual cooperation of the first check valve 302, the second check valve 303, the first oil pipe 301 and the second oil pipe 304, the purpose of locking the full stroke of the piston rod 6 is realized by controlling the entering and exiting of hydraulic oil, the reliability of locking the oil cylinder is enhanced, and the normal work of the oil cylinder is ensured.

As shown in fig. 3, the mechanical locking assembly 2 includes a bracket 203, a supporting member 201, and a limiting member 202, the bracket 203 is fixedly mounted on the cylinder 1, the supporting member 201 is fixedly mounted on the piston rod 6, the supporting member 201 is slidably engaged with the bracket 203, and the limiting member 202 is fixedly mounted on the bracket 203 and is engaged with the supporting member 201.

The mechanical locking assembly 2 is used for locking and supporting the oil cylinder and ensuring the normal work of the oil cylinder.

As shown in fig. 4, the bracket 203 includes a fixing plate 207 and side plates 205 symmetrically installed on both sides of a center line of the fixing plate 207, and a blocking plate 2022 is further installed on the other end of the side plate 205, an installation plate is fixedly installed on an outer side of the side plate 205, a sliding hole 208 is opened on an inner side of the installation plate, and the sliding hole 208 is in sliding fit with the support member 201.

The support 203 is used for supporting the cylinder body 1, and is convenient for a worker to install the cylinder body 1, the support 201 can be prevented from being deviated in the moving process under the matching of the support 201 and the sliding hole 208, the support 201 can be ensured to be matched with the limiting member 202 to lock the piston rod 6, and the locking effect on the piston rod 6 is ensured.

The blocking plate 2022 is used to support the first check valve 302 and the second check valve 303, and ensure the normal operation of the first check valve 302 and the second check valve 303.

As shown in fig. 5, the supporting member 201 includes a supporting plate 209 and sliding rods 2010 fixedly mounted at two ends of the supporting plate 209, the sliding rods 2010 are disposed in the sliding holes 208, the sliding rods 2010 are slidably engaged with the sliding holes 208, and the sliding rods 2010 are provided with fixing holes 2011.

The sliding rod 2010 can be prevented from offsetting in the process that the sliding rod 2010 moves under the matching of the sliding hole 208 and the sliding rod 2010, the purpose that the sliding rod 2010 can support the supporting plate 209 is guaranteed, the purpose that the sliding rod 2010 guides can be guaranteed, and the sliding rod 2010 is prevented from offsetting in the moving process.

A projection 2012 is mounted on the side wall of the sliding rod 2010, a groove 204 is formed on the side wall of the sliding hole 208, and the projection 2012 is slidably fitted with the groove 204.

The cooperation of the protrusion 2012 and the groove 204 can ensure that the sliding rod 2010 does not deviate in the moving process, and ensure the normal operation of the sliding rod 2010.

As shown in fig. 6, the limiting member 202 includes a fixing block 2014, a lifting plate 2021 and a handle 2020, a countersunk groove 2013 is formed at the top of the fixing block 2014, a limiting hole 2017 and a fixing groove 2015 are formed at the bottom of the countersunk groove 2013, the fixing groove 2015 is symmetrically arranged at two sides of the limiting hole 2017, an expansion rod 2018 and a spring 2019 are arranged inside the fixing groove 2015, one end of the expansion rod 2018 is arranged at the bottom of the fixing groove 2015, the other end of the expansion rod 2018 is fixedly arranged at the bottom of the lifting plate 2021, the spring 2019 is sleeved on the expansion rod 2018, two ends of the spring 2019 are respectively and fixedly arranged at the bottom of the fixing groove 2015 and the bottom of the lifting plate 2021, the handle 2020 is arranged at the top of the lifting plate 2021, a limiting plate 2016 is arranged at the bottom of the lifting plate 2021, the limiting hole 2017 is matched with the limiting plate 2016, a through hole 206 is formed in the mounting plate 2011, the through hole 206 is matched with the limiting plate 2016, and the fixing hole 2016 is matched with the fixing hole 2021.

Limiting plate 2016 and fixed orifices 2011 mutually support and can restrict the motion of slide bar 2010, thereby realize locking piston rod 6's purpose, telescopic link 2018 and spring 2019 set up the one end that can guarantee limiting plate 2016 and be in fixed orifices 2011 all the time, guarantee to lock piston rod 6 all the time, the staff pulling lifter plate 2021 of being convenient for of setting up of handle 2020, lifter plate 2021 drives limiting plate 2016 and comes out from fixed orifices 2011, removes the locking to the hydro-cylinder.

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

Claims

1. The utility model provides an hydro-cylinder with locking function, includes cylinder body, piston rod, protecgulum and hou gai, the protecgulum passes through fastening bolt with the hou gai and fixes the both ends at the cylinder body, piston movable mounting is in the inside of cylinder body, and the one end of piston rod is installed on the piston, and the other end of piston rod runs through the outside that the protecgulum extended to the cylinder body, its characterized in that still includes hydraulic pressure locking Assembly and mechanical locking Assembly, mechanical locking Assembly fixed mounting is on the cylinder body, and mechanical locking Assembly cooperatees with the piston rod, hydraulic pressure locking Assembly installs on mechanical locking Assembly, and hydraulic pressure locking Assembly is connected with the cylinder body.

2. The oil cylinder with the locking function according to claim 1, wherein the hydraulic locking assembly comprises a first oil pipe, a second oil pipe, a first check valve and a second check valve, one end of the first oil pipe is mounted on the first check valve, the other end of the first oil pipe is mounted on one end of the cylinder body, one end of the second oil pipe is mounted on the second check valve, and the other end of the second oil pipe is fixedly mounted on the other end of the cylinder body.

3. The cylinder with the locking function according to claim 1, wherein the mechanical locking assembly comprises a bracket, a supporting member and a limiting member, the bracket is fixedly installed on the cylinder body, the supporting member is fixedly installed on the piston rod, the supporting member is slidably engaged with the bracket, and the limiting member is fixedly installed on the bracket and engaged with the supporting member.

4. The oil cylinder with the locking function according to claim 3, wherein the bracket comprises a fixed plate and side plates symmetrically arranged on two sides of a central line of the fixed plate, a plugging plate is further arranged at the other end of each side plate, a mounting plate is fixedly arranged on the outer side of each side plate, a sliding hole is formed in the inner side of each mounting plate, and the sliding hole is in sliding fit with the support piece.

5. The cylinder with the locking function as claimed in claim 4, wherein the support member comprises a support plate and a sliding rod fixedly installed at both ends of the support plate, the sliding rod is disposed in the sliding hole, the sliding rod is slidably engaged with the sliding hole, and a fixing hole is formed on the sliding rod.

6. The cylinder with the locking function as claimed in claim 5, wherein a protrusion is installed on a side wall of the sliding rod, and a groove is opened on a side wall of the sliding hole, and the protrusion is slidably engaged with the groove.

7. The oil cylinder with the locking function according to claim 5, wherein the limiting part comprises a fixing block, a lifting plate and a handle, a countersunk groove is formed in the top of the fixing block, a limiting hole and a fixing groove are formed in the bottom of the countersunk groove, the fixing groove is symmetrically arranged on two sides of the limiting hole, a telescopic rod and a spring are arranged inside the fixing groove, one end of the telescopic rod is arranged at the bottom of the fixing groove, the other end of the telescopic rod is fixedly arranged at the bottom of the lifting plate, the spring sleeve is arranged on the telescopic rod, two ends of the spring are respectively fixedly arranged at the bottom of the fixing groove and the bottom of the lifting plate, the handle is arranged at the top of the lifting plate, a limiting plate is arranged at the bottom of the lifting plate, the limiting hole is matched with the limiting plate, a through hole is formed in the mounting plate, the through hole is matched with the limiting plate, and the limiting plate is matched with the fixing hole.