Hydraulic oil cylinder convenient to mount and dismount
By integrating the collar and screw into a single structure and using a rubber retainer ring for the guide ring, the problem of cumbersome installation and disassembly of traditional hydraulic cylinders is solved, achieving convenient installation and stable connection, and reducing operating difficulty and maintenance costs.
Patent Information
- Application Number
- CN202520365190.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-04
AI Technical Summary
The installation and disassembly of traditional hydraulic cylinders are cumbersome and time-consuming, especially in large or heavy equipment where they are difficult to operate and pose safety hazards such as loose or falling bolts.
It adopts an integrated structure of collar and screw, and multiple screws can be inserted and positioned simultaneously by pushing the collar upward. It also incorporates an inlet ring and rubber retainer design to prevent the collar from falling off, and the rubber retainer acts as an elastic gasket to enhance connection stability.
The installation process has been simplified, the installation time has been shortened, the installation process has been ensured to proceed smoothly, and the ease of disassembly and the stability of the connection have been improved, while reducing maintenance costs.
Smart Images

Figure CN223952952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hydraulic oil cylinder, concretely to a hydraulic oil cylinder convenient to install and disassemble. BACKGROUND
[0002] In the hydraulic system, the hydraulic oil cylinder as the core executive element, its installation and disassembly convenience is directly related to the equipment maintenance efficiency and operation reliability.
[0003] The installation of the traditional hydraulic oil cylinder usually depends on the manual insertion and fastening of each bolt, which is tedious and time-consuming, especially when facing large or heavy hydraulic oil cylinders, the operation difficulty and labor intensity increase significantly. In addition, the traditional installation method also faces many inconveniences when disassembling, such as bolt loosening, falling off and other problems, which not only affects the disassembly efficiency, but also may pose a safety hazard to the equipment and operators. SUMMARY
[0004] The utility model aims at providing a kind of hydraulic oil cylinder convenient to install and disassemble to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic oil cylinder convenient to install and disassemble, including hydraulic oil cylinder body, the top end of the hydraulic oil cylinder body is fixed with the connecting sleeve of being equipped with, the surface of connecting sleeve is equipped with a plurality of bolt holes, the inside of bolt hole is inserted with screw rod, the bottom end of screw rod is fixed on the surface of collar, collar is equipped on the pipe body of connecting sleeve, the top end of screw rod is equipped with nut of being screwed with sleeve. Preferably, the bottom surface of the top plate of the connecting sleeve is equipped with a clamping groove one, the clamping groove one is annular groove with round cross section, the inside of clamping groove one is inserted with lead-in ring, the top end of lead-in ring is fixed with rubber ring, rubber ring is circular ring with round surface, and the diameter of the round surface of rubber ring is greater than the slot width of clamping groove one.
[0006] Preferably, the rubber ring is clamped between the lead-in ring and the clamping groove one to produce elastic deformation.
[0007] Preferably, the inner ring opening of the collar is equipped with a clamping groove two, the clamping groove two is annular groove, the pipe body of the connecting sleeve is fixed with rubber ring, and the rubber ring and the clamping groove two are matched.
[0008] Preferably, after the collar falls off the screw rod and is separated from the bolt hole, the rubber ring is inserted into the clamping groove two.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] The utility model discloses a hydraulic oil cylinder convenient to install and disassemble adopts the structure of the sleeve ring and screw rod integration, and the insertion and positioning of multiple screw rods can be realized simultaneously through the upper push sleeve ring, compared with the traditional bolt insertion mode, the installation process is greatly simplified, and the installation time is shortened. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structure schematic view of the utility model;
[0012] Figure 2 It is the structure side view of the utility model;
[0013] Figure 3 It is Figure 2 It is the structure section view of A-A in the utility model;
[0014] Figure 4 It is Figure 3 It is the structure enlarged view of A in the utility model;
[0015] Figure 5 It is the sleeve ring and screw rod connecting structure schematic view of the utility model.
[0016] In the drawing: hydraulic oil cylinder body 1, connecting sleeve 2, bolt hole 3, sleeve ring 4, screw rod 5, nut 6, slot one 7, lead-in ring 8, rubber ring 9, slot two 10, rubber ring 11. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical scheme of the utility model clear, complete and the advantage more clear and clear, the following will be further detailed with the attached drawing to the utility model embodiment. It should be understood that the specific embodiment described here is a part of the embodiment of the utility model, not all the embodiment, only to explain the embodiment of the utility model, and does not limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.
[0018] Please refer to Figures 1-5The utility model provides a technical scheme: a hydraulic oil cylinder convenient to install and disassemble, including hydraulic oil cylinder body 1, the top end of hydraulic oil cylinder body 1 is equipped with the fixed connecting sleeve 2, a plurality of bolt holes 3 are seted up on the surface of connecting sleeve 2, the inside insertion of bolt hole 3 has screw rod 5, the bottom of screw rod 5 is fixed on the surface of collar 4, collar 4 is equipped with on the pipe body of connecting sleeve 2, the top end of screw rod 5 is equipped with the fixed nut 6 of screwing;The top surface of connecting sleeve 2 is placed on the flange fixed on the workpiece surface needing installation, ensure that bolt hole 3 and flange surface opening hole correspond, then push collar 4, collar 4 pushes a plurality of screw rods 5 through corresponding bolt holes 3 and flange surface opening hole simultaneously, then nut 6 is equipped with the locking of screwing on corresponding screw rod 5, compared with the insertion of screw rod 5, push collar 4 realizes the insertion of a plurality of screw rods 5 simultaneously, is more convenient.
[0019] The bottom of the top plate of connecting sleeve 2 is provided with a clamping groove one 7, the clamping groove one 7 is an annular groove with a circular cross-section, a lead-in ring 8 is inserted into the clamping groove one 7, a rubber ring 9 is fixedly sleeved on the top end of the lead-in ring 8, the rubber ring 9 is a circular ring with a circular cross-section, the diameter of the circular surface of the rubber ring 9 is greater than the width of the slot of the clamping groove one 7, and the rubber ring 9 is elastically deformed between the lead-in ring 8 and the clamping groove one 7; when the screw rod 5 penetrates the bolt hole 3 and the flange surface opening hole, the lead-in ring 8 and the rubber ring 9 are clamped in the clamping groove one 7, the fall of the collar 4 is limited, and after the nut 6 and the screw rod 5 are locked, the rubber ring 9 is extruded and deformed, and acts as an elastic gasket during the screwing of the screw rod 5 and the nut 6.
[0020] The inner ring opening of the collar 4 is provided with a clamping groove two 10, the clamping groove two 10 is an annular groove, and a rubber ring 11 is fixedly sleeved on the pipe body of the connecting sleeve 2 and matched with the clamping groove two 10; after the collar 4 falls and the screw rod 5 is separated from the bolt hole 3, the rubber ring 11 is inserted into the clamping groove two 10; when the hydraulic oil cylinder body 1 is disassembled, after a plurality of nuts 6 are unscrewed, the collar 4 is pulled down until the rubber ring 11 is inserted into the clamping groove two 10, and the temporary anti-falling limiting of the collar 4 is realized.
[0021] The use process of the hydraulic oil cylinder convenient to install and disassemble is as follows:
[0022] The top end of the hydraulic cylinder body 1 is fixed with the connecting sleeve 2. The top surface of the connecting sleeve 2 is tightly abutted against the fixed flange of the workpiece surface to be installed, and the bolt holes 3 are ensured to correspond to the openings on the flange surface one by one. The collar 4 is sleeved on the pipe body of the connecting sleeve 2, and all the screw rods 5 can freely pass through the bolt holes 3. The collar 4 is pushed up, and the collar 4 simultaneously pushes the plurality of screw rods 5 to pass through the corresponding bolt holes 3 and the openings on the flange surface. The nuts 6 are sleeved on the corresponding screw rods 5 one by one, and are screwed to the specified torque, so that the connection is firm. During the process of screwing the nuts 6, it is noted that whether the rubber ring 9 is appropriately extruded and deformed to serve as an elastic gasket. It is confirmed that the lead-in ring 8 and the rubber ring 9 are firmly clamped in the clamping groove 7, and the anti-falling limiting of the collar 4 is realized. It is checked whether all the connection parts are tightly connected without looseness.
[0023] When the disassembly process is used, all the nuts 6 on the collar 4 are unscrewed one by one by using a tool, and it is ensured that the nuts 6 are completely loosened. The collar 4 is gently pulled down until the rubber ring 11 is completely inserted into the clamping groove 10, and the temporary anti-falling limiting of the collar 4 is realized. After the rubber ring 11 is inserted into the clamping groove 10, the collar 4 is continuously pulled down, and the screw rod 5 is pulled out from the bolt hole 3 and the opening on the flange surface. The connecting sleeve 2 is separated from the fixed flange of the workpiece surface.
[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic cylinder which is easy to mount and dismount, comprising a hydraulic cylinder body (1), characterized in that: The top end of the hydraulic cylinder body (1) is sleeved with a connecting sleeve (2), a plurality of bolt holes (3) are formed in the surface of the connecting sleeve (2), a screw rod (5) is inserted into the bolt hole (3), the bottom end of the screw rod (5) is fixed on the surface of a sleeve ring (4), the sleeve ring (4) is sleeved on the pipe body of the connecting sleeve (2), and a nut (6) is screwed on the top end of the screw rod (5).
2. The hydraulic cylinder according to claim 1, wherein: A clamping groove one (7) is formed in the bottom surface of the top plate of the connecting sleeve (2), the clamping groove one (7) is an annular groove with a circular cross section, a lead-in ring (8) is inserted into the clamping groove one (7), the top end of the lead-in ring (8) is sleeved with a rubber ring (9), the rubber ring (9) is a circular ring with a circular cross section, and the diameter of the circular cross section of the rubber ring (9) is greater than the width of the groove of the clamping groove one (7).
3. The hydraulic cylinder according to claim 2, wherein: The rubber ring (9) is elastically deformed when clamped between the lead-in ring (8) and the clamping groove one (7).
4. The hydraulic cylinder according to claim 1, wherein: An annular groove two (10) is formed in the inner ring of the sleeve ring (4), the pipe body of the connecting sleeve (2) is sleeved with a rubber ring (11), and the rubber ring (11) is matched with the annular groove two (10).
5. The hydraulic cylinder according to claim 1, wherein: After the sleeve ring (4) falls off the screw rod (5) and is separated from the bolt hole (3), the rubber ring (11) is inserted into the annular groove two (10).