Engineering hydraulic cylinder with corrosion-resistant function

Abstract

The engineering hydraulic cylinder with the corrosion-resistant function comprises a hydraulic cylinder body, a protection assembly is arranged outside the hydraulic cylinder body, and a conversion structure is arranged at the bottom of the hydraulic cylinder body. The protection assembly comprises a main sleeve shell arranged on the outer side of the hydraulic cylinder body in a sleeving mode, an auxiliary sleeve shell is slidably connected to one side of the main sleeve shell, connecting blocks are fixedly connected to the bottom of the main sleeve shell and the bottom of the auxiliary sleeve shell, and a bottom block is fixedly connected to the bottom end of the hydraulic cylinder body. A locking pipe is connected between the connecting block and the bottom block in an inserted mode, and a connecting cavity is formed in the bottom block. The hydraulic cylinder body is protected through the main sleeve shell and the auxiliary sleeve shell, when the main sleeve shell or the auxiliary sleeve shell locally deforms due to collision, and when the corrosion-resistant materials are abraded and the like, the hydraulic cylinder body does not need to be disassembled, and only the main sleeve shell and the auxiliary sleeve shell need to be disassembled, so that rapid maintenance can be conducted, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinder housings, in particular to an engineering hydraulic cylinder with a corrosion-resistant function. Background Art

[0002] Publication No. CN210531296U discloses a corrosion-resistant hydraulic cylinder housing, including a hydraulic oil cylinder housing, the inner wall and the outer wall of the hydraulic oil cylinder housing are both glued with a layer of chrome skin, the left and right sides of the top of the hydraulic oil cylinder housing are both provided with oil inlets, the slot is sleeved on the surface of the first fixed column, and the other end of the fixed rod is sleeved on the surface of the second fixed column. This device will not be difficult to disassemble due to rust and corrosion of parts caused by the outside world. The inner and outer surfaces of the hydraulic oil cylinder housing are isolated from the outside by the chrome skin, so that the hydraulic oil cylinder housing is not in contact with hydraulic oil or air, thereby avoiding corrosion of the hydraulic oil cylinder housing caused by hydraulic oil or other corrosive factors, improving the service life, improving the practicality, and facilitating the disassembly and maintenance of the device. It also allows the device to be disassembled and used in different occasions, saving costs and improving the utilization rate of the device. However, the patent still has the following problems in actual use:

[0003] The above-mentioned device achieves corrosion resistance through chrome skin, but during the actual use of the hydraulic cylinder, the chrome skin may be worn due to collision or transportation wear, thereby making the corrosion resistance effect of the local area invalid, and the anti-collision effect of the chrome skin is poor, resulting in the hydraulic cylinder body in the above-mentioned device cannot be effectively protected. Moreover, the rotating seat and the cylinder body of the existing hydraulic cylinder are basically fixedly connected, resulting in that when the hydraulic cylinder in a rotating use state is transferred to a vertical use, an additional base is required to fix the rotating seat, which is more troublesome to use and has strong limitations.

[0004] An engineering hydraulic cylinder with corrosion resistance function is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an engineering hydraulic cylinder with a corrosion-resistant function, so as to solve the problem that in the actual use of the hydraulic cylinder proposed in the above background technology, the chrome skin may be worn due to collision or transportation wear, thereby making the corrosion-resistant effect of the local area invalid, and the anti-collision effect of the chrome skin is poor, resulting in the hydraulic cylinder body in the above device cannot be effectively protected.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an engineering hydraulic cylinder with corrosion resistance, comprising a hydraulic cylinder body,

[0007] A protective component is arranged outside the hydraulic cylinder body, and a conversion structure is arranged at the bottom of the hydraulic cylinder body;

[0008] The protection assembly comprises a main casing sleeved on the outside of the hydraulic cylinder body, a secondary casing is slidably connected to one side of the main casing, a connecting block is fixedly connected to the bottom of the main casing and the secondary casing, and a bottom block is fixedly connected to the bottom end of the hydraulic cylinder body;

[0009] Wherein, a locking tube is inserted between the connecting block and the bottom block, and a connecting cavity is provided inside the bottom block.

[0010] Preferably, the outside of the main shell and the auxiliary shell can be adhered with chrome, the connecting blocks on the main shell and the auxiliary shell fit together, the inside of the locking tube is slidably connected with an inner tube, one end of the inner tube extends out of the locking tube, and the other end of the inner tube is located inside the locking tube and is fixedly connected to the locking tube with a first spring.

[0011] Preferably, a threaded section is provided on the outer side of one end of the locking tube, a knob is threadedly connected to the threaded section, and one side of the knob can be fitted with two connecting blocks.

[0012] Preferably, the outer side of one end of the inner tube located inside the locking tube is rotatably connected with a plurality of rotating columns, the outer side of one end of the locking tube located inside the connecting cavity is provided with a plurality of through grooves, the rotating columns pass through the through grooves, the sides of the rotating columns overlap with the through grooves, the other end of the rotating columns overlaps with the bottom block, and the middle part of the rotating columns is fixedly connected to the outer side of the inner tube with a second spring.

[0013] Preferably, the conversion structure includes a connecting piece engaged with the bottom block, the inside of the bottom block is fixedly connected to a first mounting ring, the side of the connecting piece is fixedly connected to a second mounting ring, the second mounting ring is the same size as the first mounting ring and the edges are fixedly connected to rubber rings.

[0014] Preferably, two first snap-fit ​​hook plates and first snap-fit ​​strips are fixedly connected to the outer side of the first mounting ring, and the first snap-fit ​​strips and the first snap-fit ​​hook plates are arranged alternately.

[0015] Preferably, two second snap-fit ​​hook plates and second snap-fit ​​strips are fixedly connected to the outer side of the second mounting ring, the second snap-fit ​​strips and the second snap-fit ​​hook plates are staggered, the second snap-fit ​​strips are snap-fitted and connected to the first snap-fit ​​hook plates, and the second snap-fit ​​hook plates are snap-fitted and connected to the first snap-fit ​​strips.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the engineering hydraulic cylinder with corrosion resistance provides protection for the hydraulic cylinder body through the main shell and the auxiliary shell, and when the main shell or the auxiliary shell is partially deformed due to collision, and when the corrosion-resistant material is worn, it is not necessary to disassemble the hydraulic cylinder body, but only the main shell and the auxiliary shell need to be disassembled for quick maintenance, which is convenient for use. The specific contents are as follows:

[0017] 1. The connecting block is disengaged by rotating it, and then the inner tube is pressed so that the rotating column is retracted toward the middle under the restriction of the through groove and the second spring is squeezed until the rotating column is completely located inside the through groove. At this time, the locking tube is pulled outward to pull it out of the connecting block, so that the main shell and the auxiliary shell can be quickly disassembled and assembled, so that the main shell and the auxiliary shell are used to provide protection for the hydraulic cylinder body. When the main shell or the auxiliary shell is partially deformed due to collision, and when the corrosion-resistant material is worn, there is no need to disassemble the hydraulic cylinder body. Only the main shell and the auxiliary shell need to be disassembled for quick maintenance, which is convenient for use.

[0018] 2. By rotating the connecting piece, the first mounting ring and the second mounting ring rotate relative to each other, so that the second engaging hook plate is disengaged from the first engaging strip, and the first engaging hook plate is disengaged from the second engaging strip, so that the connecting piece can be quickly disassembled, and finally the hydraulic cylinder body can be directly placed vertically on the ground using the bottom block, which facilitates the application of the device in different occasions, saves costs, and improves the utilization rate of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 A schematic diagram of the installation structure of the main housing and the auxiliary housing;

[0021] Figure 3 It is a schematic diagram of the installation structure of the conversion structure;

[0022] Figure 4 It is a schematic diagram of the installation structure of the bottom block and the locking tube;

[0023] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of area A in the middle.

[0024] In the figure: 1. hydraulic cylinder body; 2. protective assembly; 201. main casing; 202. auxiliary casing; 203. connecting block; 204. bottom block; 205. locking tube; 206. inner tube; 207. knob; 208. first spring; 209. through groove; 210. rotating column; 211. connecting cavity; 212. second spring; 213. threaded section; 3. conversion structure; 301. connecting piece; 302. first mounting ring; 303. second mounting ring; 304. first snap-fitting strip; 305. first snap-fitting hook plate; 306. second snap-fitting hook plate; 307. second snap-fitting strip. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a technical solution: a hydraulic cylinder for engineering with corrosion resistance, comprising a hydraulic cylinder body 1, a protective assembly 2 is arranged outside the hydraulic cylinder body 1, and a conversion structure 3 is arranged at the bottom of the hydraulic cylinder body 1; wherein the protective assembly 2 comprises a main casing 201 sleeved on the outside of the hydraulic cylinder body 1, a secondary casing 202 is slidably connected to one side of the main casing 201, a connecting block 203 is fixedly connected to the bottom of the main casing 201 and the secondary casing 202, and a bottom block 204 is fixedly connected to the bottom end of the hydraulic cylinder body 1; wherein a locking tube 203 is inserted between the connecting block 203 and the bottom block 204. 5. A connecting cavity 211 is provided inside the bottom block 204; chrome skin can be pasted on the outside of the main housing 201 and the auxiliary housing 202; the connecting blocks 203 on the main housing 201 and the auxiliary housing 202 fit each other; an inner tube 206 is slidably connected inside the locking tube 205; one end of the inner tube 206 extends out of the locking tube 205; the other end of the inner tube 206 is located inside the locking tube 205 and a first spring 208 is fixedly connected to the locking tube 205; the first spring 208 can push the inner tube 206 to be in an initial state; the chrome skin provides corrosion resistance for the main housing 201 and the auxiliary housing 202.

[0027] A threaded section 213 is provided on the outer side of one end of the locking tube 205, and a knob 207 is threadedly connected to the threaded section 213. One side of the knob 207 can fit with the two connecting blocks 203; during the rotation of the knob 207, the rotating column 210 can be pressed against the inside of the bottom block 204 to increase the stability of the connection.

[0028] The outer side of one end of the inner tube 206 located inside the locking tube 205 is rotatably connected with a plurality of rotating columns 210, and a plurality of through grooves 209 are opened on the outer side of one end of the locking tube 205 located inside the connecting cavity 211, and the rotating column 210 passes through the through grooves 209, and the side of the rotating column 210 overlaps with the through grooves 209, and the other end of the rotating column 210 overlaps with the bottom block 204, and the middle part of the rotating column 210 and the outer side of the inner tube 206 are fixedly connected with a second spring 212; the second spring 212 pushes the rotating column 210 to pass through the through grooves 209 and resist the inside of the bottom block 204. When the rotating column 210 is completely located inside the through grooves 209, the locking tube 205 can be pulled outward to be pulled out of the connecting block 203.

[0029] The conversion structure 3 includes a connecting piece 301 that is engaged with the bottom block 204. The inside of the bottom block 204 is fixedly connected to a first mounting ring 302. The side of the connecting piece 301 is fixedly connected to a second mounting ring 303. The second mounting ring 303 and the first mounting ring 302 are the same size and the edges are fixedly connected to rubber rings. The rubber ring can make the second mounting ring 303 and the first mounting ring 302 fit more tightly when pressurized against each other.

[0030] Two first snap-fitting hook plates 305 and a first snap-fitting strip 304 are fixedly connected to the outer side of the first mounting circle 302, and the first snap-fitting strip 304 and the first snap-fitting hook plate 305 are staggered; two second snap-fitting hook plates 306 and a second snap-fitting strip 307 are fixedly connected to the outer side of the second mounting circle 303, and the second snap-fitting strip 307 and the second snap-fitting hook plate 306 are staggered, the second snap-fitting strip 307 and the first snap-fitting hook plate 305 are snap-fitted and connected, and the second snap-fitting hook plate 306 and the first snap-fitting strip 304 are snap-fitted and connected; the first snap-fitting strip 304 and the second snap-fitting strip 307 are both provided with an oblique angle, so that the first snap-fitting hook plate 305 will pull the first mounting circle 302 and the second mounting circle 303 to squeeze each other during the process of snapping the second snap-fitting strip 307.

[0031] Working principle: Before using this kind of engineering hydraulic cylinder with corrosion resistance function, it is necessary to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, firstly, the main housing 201 is installed outside the hydraulic cylinder body 1 and placed on the top surface of the bottom block 204, and then the secondary housing 202 is inserted into the main housing 201, and then the locking tube 205 is inserted into the connecting cavity 211 of the bottom block 204 through the connecting block 203, and then the knob 207 is rotated to make it abut against the connecting block 203, at this time, the second spring 212 pushes the rotating column 210 to pass through the through slot 209 and abut against the inside of the bottom block 204, finally making the main housing 201 and the secondary housing 202 can be quickly installed;

[0032] When it is necessary to disassemble the main housing 201 and the auxiliary housing 202, the connecting block 203 is rotated to disengage the connecting block 203, and then the inner tube 206 is pressed to squeeze the first spring 208, and at the same time, the rotating column 210 is retracted to the middle under the restriction of the through groove 209 and squeezes the second spring 212 until the rotating column 210 is completely located inside the through groove 209. At this time, the locking tube 205 is pulled outward to pull it out of the connecting block 203, and finally the main housing 201 and the auxiliary housing 202 can be quickly disassembled and assembled, and the main housing 201 and the auxiliary housing 202 are used to provide protection for the hydraulic cylinder body 1, so that when the main housing 201 or the auxiliary housing 202 is partially deformed due to collision, and when the corrosion-resistant material is worn, etc., there is no need to disassemble the hydraulic cylinder body 1, and only the main housing 201 and the auxiliary housing 202 need to be disassembled to carry out quick maintenance, which is convenient for use;

[0033] When the hydraulic cylinder body 1 is transferred from the rotating connection use state to the vertical fixed use condition, the connecting piece 301 can be rotated to make the first mounting ring 302 and the second mounting ring 303 rotate relative to each other, so that the second engaging hook plate 306 is disengaged from the engagement with the first engaging strip 304, and the first engaging hook plate 305 is disengaged from the engagement with the second engaging strip 307, so that the connecting piece 301 can be quickly disassembled, and finally the hydraulic cylinder body 1 can be directly placed vertically on the ground using the bottom block 204, so that the device can be used in different occasions conveniently, saving costs and improving the utilization rate of the device.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder for engineering use with corrosion resistance, comprising a hydraulic cylinder body (1), It is characterized in that Also includes: A protective component (2) is arranged outside the hydraulic cylinder body (1), and a conversion structure (3) is arranged at the bottom of the hydraulic cylinder body (1); The protection assembly (2) comprises a main casing (201) sleeved on the outside of the hydraulic cylinder body (1), a secondary casing (202) being slidably connected to one side of the main casing (201), a connecting block (203) being fixedly connected to the bottom of both the main casing (201) and the secondary casing (202), and a bottom block (204) being fixedly connected to the bottom end of the hydraulic cylinder body (1); A locking tube (205) is inserted between the connecting block (203) and the bottom block (204), and a connecting cavity (211) is provided inside the bottom block (204).

2. The engineering hydraulic cylinder with corrosion resistance according to claim 1, characterized in that: The exteriors of the main housing (201) and the auxiliary housing (202) can be adhered with chrome, the connecting blocks (203) on the main housing (201) and the auxiliary housing (202) fit together, an inner tube (206) is slidably connected to the interior of the locking tube (205), one end of the inner tube (206) extends out of the locking tube (205), and the other end of the inner tube (206) is located inside the locking tube (205) and a first spring (208) is fixedly connected to the locking tube (205).

3. The engineering hydraulic cylinder with corrosion resistance according to claim 2, characterized in that: A threaded section (213) is provided on the outer side of one end of the locking tube (205), and a knob (207) is threadedly connected to the threaded section (213), and one side of the knob (207) can fit with two connecting blocks (203).

4. The engineering hydraulic cylinder with corrosion resistance according to claim 2, characterized in that: The inner tube (206) is rotatably connected to a plurality of rotating columns (210) at one end located inside the locking tube (205); a plurality of through slots (209) are provided at the outside of one end of the locking tube (205) located inside the connecting cavity (211); the rotating columns (210) pass through the through slots (209); the side edges of the rotating columns (210) overlap the through slots (209); the other end of the rotating columns (210) overlaps the bottom block (204); and the middle of the rotating columns (210) is fixedly connected to the outer side of the inner tube (206) by a second spring (212).

5. The engineering hydraulic cylinder with corrosion resistance according to claim 1, characterized in that: The conversion structure (3) comprises a connecting piece (301) engaged with a bottom block (204); a first mounting ring (302) is fixedly connected to the interior of the bottom block (204); a second mounting ring (303) is fixedly connected to the side of the connecting piece (301); the second mounting ring (303) and the first mounting ring (302) are of the same size and both have rubber rings fixedly connected to their edges.

6. The engineering hydraulic cylinder with corrosion resistance according to claim 5, characterized in that: Two first snap-fit ​​hook plates (305) and a first snap-fit ​​strip (304) are fixedly connected to the outer side of the first mounting ring (302), and the first snap-fit ​​strip (304) and the first snap-fit ​​hook plates (305) are arranged in a staggered manner.

7. The engineering hydraulic cylinder with corrosion resistance according to claim 5, characterized in that: Two second snap-fit ​​hook plates (306) and second snap-fit ​​strips (307) are fixedly connected to the outer side of the second mounting ring (303); the second snap-fit ​​strips (307) and the second snap-fit ​​hook plates (306) are arranged alternately; the second snap-fit ​​strips (307) and the first snap-fit ​​hook plates (305) are snap-fitted and connected; and the second snap-fit ​​hook plates (306) and the first snap-fit ​​strips (304) are snap-fitted and connected.

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