Hydraulic cylinder with connector convenient to replace

Abstract

The utility model belongs to the field of hydraulic cylinders, and particularly relates to a hydraulic cylinder with a connector convenient to replace, which comprises a cylinder body, a piston rod is mounted in the cylinder body, a mounting seat is fixedly connected to the end of the piston rod, a mounting groove is formed in the side wall of the mounting seat, and a rotating shaft is rotatably connected to the top of the inner wall of the mounting groove. A worm gear is installed in the middle of the rotating shaft, and the outer surface of the worm gear is in engaged connection with a worm. Through mutual cooperation of the worm gear, the fixing block, the gear, the clamping block and other structures, disassembly, replacement and installation of the connector can be rapidly achieved, professional tools are not needed, operation is easy, replacement efficiency can be improved conveniently, downtime can be shortened, the disassembled connector can be maintained and cleaned conveniently, the fixing block is clamped into the clamping groove, and the connector is convenient to disassemble and assemble. And by utilizing the self-locking performance between the worm gear and the worm, the effective fixation between the joint and the mounting seat can be realized, and the condition that the joint falls off or is loosened in the use process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with a convenient replacement of joints. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy, performing linear reciprocating motion (or oscillating motion). A hydraulic cylinder typically consists of a cylinder body, telescopic rod, base, and joints. The base is typically mounted at the rear of the cylinder body, while the joint is attached to the head of the telescopic rod. These joints can be replaced to suit different application requirements. Currently, most hydraulic cylinders and their joints utilize threaded or screw connections. Changing between different joints requires tools, making the process complex and inefficient. Therefore, we offer a hydraulic cylinder with easily replaceable joints. Utility Model Content

[0003] The utility model aims to provide a hydraulic cylinder which is convenient for replacing joints, and can quickly disassemble and replace the joints, thereby reducing downtime.

[0004] To this end, the technical solution adopted in this utility model is:

[0005] A hydraulic cylinder with a convenient joint replacement, comprising:

[0006] A cylinder body, wherein a piston rod is installed inside the cylinder body, the end of the piston rod is fixedly connected to a mounting seat, a mounting groove is opened on the side wall of the mounting seat, a rotating shaft is rotatably connected to the top of the inner wall of the mounting groove, a worm gear is installed in the middle of the rotating shaft, and the outer surface of the worm gear is meshed with a worm;

[0007] A gear, the gear being fixedly connected to the bottom end of the rotating shaft, with racks meshingly connected on both sides of the gear, and a clamping block being fixedly connected to the bottom end of the rack;

[0008] The connector is detachably mounted in the mounting groove, a fixing block is fixedly connected to the side wall of the connector, and both sides of the fixing block are provided with a slot adapted to the block.

[0009] Based on the above technical solution, its use principle and the technical effects produced are as follows:

[0010] When the joint needs to be replaced, first rotate the knob from the outside to drive the worm to rotate. When the worm rotates, it will drive the worm wheel to rotate, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it will drive the gear to rotate, and through the meshing relationship between the gear and the rack, the two racks are driven away from each other, so that the two blocks are away from each other. Then, the fixing block on the joint is clamped into the installation groove, and the positioning column is clamped into the positioning groove. Then, rotate the knob in the opposite direction, and through the mutual cooperation of the worm wheel, worm and gear, the two blocks are driven to move toward the middle at the same time, so that they can be clamped into the clamping slot, and the fixing block can be locked, thereby achieving effective fixation of the joint. In the fixed state, the self-locking performance of the worm gear can be used to make the clamping block stably clamped in the clamping slot without moving. In this way, different types of joints can be quickly replaced according to actual usage needs, thereby improving the practicality of the device.

[0011] In a preferred example, the present invention can be further configured as follows: the top end of the rotating shaft is rotatably connected to the mounting groove via a bearing.

[0012] In a preferred example, the present invention can be further configured as follows: one end of the worm is rotatably connected to the mounting groove via a bearing, and the other end passes through the mounting seat and is provided with a knob.

[0013] In a preferred example, the present invention can be further configured as follows: there are two racks, the two racks are respectively located on both sides of the gear, and the two racks are arranged in a centrally symmetrical manner with the center of the gear as a symmetrical point.

[0014] In a preferred example, the present invention can be further configured as follows: a guide rod is fixedly connected to the side wall of the rack, and a guide groove adapted to the guide rod is opened on the side wall of the mounting groove.

[0015] In a preferred example, the present invention can be further configured as follows: a positioning column is fixedly connected to the side wall of the joint, and a positioning groove adapted to the positioning column is opened on the side wall of the installation groove.

[0016] In a preferred example, the present invention can be further configured as follows: there are two clamping blocks, and the two clamping blocks are located in the installation slot, one on the left and one on the right.

[0017] In a preferred example, the present invention can be further configured as follows: the end of the clamping block is configured as an arc surface.

[0018] The nouns, conjunctions or adjectives involved in the above technical solution are explained as follows:

[0019] A fixed connection is a connection in which parts or components are fixed without any relative movement. There are two types of connections: detachable and non-detachable.

[0020] (1) A removable connection is a method of fastening components together using screws, splines, wedge pins, etc. This type of connection allows for disassembly during maintenance without damaging the components. However, the connectors used must be of the correct specifications (e.g., length of bolts, keys, wedge pins) and properly tightened.

[0021] (2) Non-detachable connections mainly refer to welding, riveting and tenoning. Since they need to be disassembled by forging, sawing or oxygen cutting when repairing or replacing, spare parts generally cannot be reused. At the same time, when making connections, attention should be paid to the quality of workmanship, technical inspection and remedial measures (such as calibration, polishing, etc.);

[0022] An active connection is a connection in which parts or components are fixed so that they can move relative to each other.

[0023] The above technical solution of the utility model has the following beneficial technical effects:

[0024] 1. In the present invention, the worm gear, fixed block, gear, clamping block and other structures cooperate with each other, so that the joint can be quickly disassembled, replaced and installed without the help of professional tools. The operation is simple, which not only improves the replacement efficiency and reduces the downtime, but also facilitates the maintenance and cleaning of the disassembled joint.

[0025] 2. In the present invention, the fixing block is inserted into the slot, and the self-locking performance between the worm gear and the worm is utilized to achieve effective fixation between the joint and the mounting seat, and the joint will not fall off or loosen during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a three-dimensional schematic diagram of the joint structure of the utility model;

[0028] Figure 3 It is a three-dimensional schematic diagram of the worm gear structure of the utility model;

[0029] Figure 4 It is a three-dimensional schematic diagram of the card block structure of the present utility model.

[0030] Reference numerals:

[0031] 1. Cylinder body; 2. Piston rod; 3. Mounting seat; 4. Mounting slot; 5. Rotating shaft; 6. Worm gear; 7. Worm; 8. Gear; 9. Rack; 10. Block; 11. Connector; 12. Fixing block; 13. Slot; 14. Positioning column; 15. Positioning slot; 16. Guide rod; 17. Knob. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present disclosure. It should be noted that the embodiments of the present utility model and the features in the embodiments can be combined with each other in the absence of conflict.

[0033] According to the concept of this application, Figures 1 to 4 The following describes an embodiment of a hydraulic cylinder for applying a hydraulic driving force and facilitating the replacement of joints. Specifically, the hydraulic cylinder for facilitating the replacement of joints is constructed as a split structure, which has three components: a cylinder body, a gear, and a joint. Through the mutual cooperation of the provided worm gear, fixed block, gear, clamping block and other structures, the joint can be quickly disassembled, replaced and installed without the aid of professional tools, and the operation is simple. It not only facilitates the improvement of replacement efficiency and reduces downtime, but also facilitates the maintenance and cleaning of the disassembled joint. By utilizing the fixed block to be inserted into the clamping slot and the self-locking performance between the worm gear and worm, the joint and the mounting seat can be effectively fixed, and the joint will not fall off or loosen during use.

[0034] Combine Figure 1-4 As shown, the utility model provides a hydraulic cylinder that is easy to replace joints, comprising:

[0035] A cylinder body, wherein a piston rod is installed inside the cylinder body, the end of the piston rod is fixedly connected to a mounting seat, a mounting groove is opened on the side wall of the mounting seat, a rotating shaft is rotatably connected to the top of the inner wall of the mounting groove, a worm gear is installed in the middle of the rotating shaft, and the outer surface of the worm gear is meshed with a worm;

[0036] The gear is fixedly connected to the bottom end of the rotating shaft, and racks are meshed and connected on both sides of the gear, and a clamping block is fixedly connected to the bottom end of the rack;

[0037] The connector is detachably mounted in the mounting groove, a fixing block is fixedly connected to the side wall of the connector, and both sides of the fixing block are provided with a slot that matches the block.

[0038] According to the technical solution of this embodiment, the top end of the rotating shaft is rotatably connected to the mounting groove through a bearing, one end of the worm is rotatably connected to the mounting groove through a bearing, and the other end passes through the mounting seat and is equipped with a knob. The worm can be driven to rotate by rotating the knob from the outside.

[0039] According to the technical solution of this embodiment, there are two racks, which are located on both sides of the gear respectively, and the two racks are arranged symmetrically along the center of the gear. When the worm rotates, it drives the worm wheel to rotate, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it drives the gear to rotate, and through the meshing relationship between the gear and the rack, the two racks are driven closer to or away from each other.

[0040] Furthermore, a guide rod is fixedly connected to the side wall of the rack, and a guide groove adapted to the guide rod is opened on the side wall of the mounting groove. The provided guide rod and guide groove are used to provide support and guidance for the rack when it moves.

[0041] Regarding the technical solution of this embodiment, Figure 2 As shown, a positioning column is fixedly connected to the side wall of the connector, and a positioning groove adapted to the positioning column is opened on the side wall of the mounting groove. When the fixed block is inserted into the mounting groove, the positioning column on the connector will also be inserted into the positioning groove, which not only facilitates positioning, but also enhances the connection strength between the connector and the mounting seat.

[0042] Regarding the technical solution of this embodiment, Figure 3-4 As shown, there are two clamping blocks, one on the left and one on the right, which are located in the installation groove. The ends of the clamping blocks are set as arc surfaces. When the gear rotates and drives the two racks to approach each other, they can be clamped into the clamping slot of the fixed block, locking the fixed block, thereby achieving effective fixation of the joint. In the fixed state, the self-locking performance of the worm gear can be utilized to make the clamping block stably clamped in the clamping slot and will not move. When the knob is rotated in the opposite direction, the mutual cooperation of the worm gear, worm gear and gear can drive the two clamping blocks to move to both sides at the same time, so that they can be disengaged from the clamping slot, and the fixed block can be unlocked, which is convenient for replacing other types of joints and improving the practicality of the device.

[0043] Specifically, when the connector needs to be replaced, first rotate the knob from the outside to drive the worm to rotate. When the worm rotates, it will drive the worm wheel to rotate, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it will drive the gear to rotate, and through the meshing relationship between the gear and the rack, the two racks are driven away from each other, so that the two blocks are away from each other. Then, the fixing block on the connector is inserted into the installation groove, and the positioning column is inserted into the positioning groove. Then, rotate the knob in the opposite direction, and through the mutual cooperation of the worm wheel, worm, and gear, the two blocks are driven to move toward the middle at the same time, so that they can be stuck in the slot, and the fixing block can be locked, thereby achieving effective fixation of the connector. In the fixed state, the self-locking performance of the worm gear can be used to make the block stably stuck in the slot and will not move. In this way, different types of connectors can be quickly replaced according to actual usage needs, thereby improving the practicality of the device.

[0044] The hydraulic cylinder with easy replacement of joints provided by the present invention will be further described below in conjunction with the accompanying drawings and implementation methods.

[0045] A hydraulic cylinder with a convenient joint replacement, comprising:

[0046] A cylinder body, wherein a piston rod is installed inside the cylinder body, the end of the piston rod is fixedly connected to a mounting seat, a mounting groove is opened on the side wall of the mounting seat, a rotating shaft is rotatably connected to the top of the inner wall of the mounting groove, a worm gear is installed in the middle of the rotating shaft, and the outer surface of the worm gear is meshed with a worm;

[0047] The gear is fixedly connected to the bottom end of the rotating shaft, and racks are meshed and connected on both sides of the gear, and a clamping block is fixedly connected to the bottom end of the rack;

[0048] The connector is detachably mounted in the mounting groove, a fixing block is fixedly connected to the side wall of the connector, and both sides of the fixing block are provided with a slot that matches the block.

[0049] The working principle and usage process of the utility model are as follows: when the joint needs to be replaced, first rotate the knob from the outside to drive the worm to rotate. When the worm rotates, it will drive the worm wheel to rotate, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it will drive the gear to rotate, and through the meshing relationship between the gear and the rack, the two racks are driven away from each other, so that the two clamping blocks are moved away from each other. Then, the fixing block on the joint is inserted into the installation groove, and the positioning column is inserted into the positioning groove. Then, the knob is rotated in the opposite direction, and the two clamping blocks are driven to move toward the middle at the same time through the mutual cooperation of the worm wheel, worm and gear, so that they can be stuck in the clamping slot, and the fixing block can be locked, thereby achieving effective fixation of the joint. In the fixed state, the self-locking performance of the worm gear is utilized to make the clamping block stably stuck in the clamping slot and will not move.

[0050] In the present invention, the term "plurality" refers to two or more than two, unless otherwise expressly defined. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items. Terms such as "installation", "connection", "connection", and "fixed" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "connection" can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0051] It should be noted that when an element is referred to as being "assembled to," "mounted to," "fixed to," or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0052] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0053] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A hydraulic cylinder that is easy to replace joints, characterized in that: include: A cylinder body (1) is provided with a piston rod (2) installed inside the cylinder body (1), the end of the piston rod (2) is fixedly connected to a mounting seat (3), a mounting groove (4) is provided on the side wall of the mounting seat (3), a rotating shaft (5) is rotatably connected to the top of the inner wall of the mounting groove (4), a worm gear (6) is installed in the middle of the rotating shaft (5), and a worm (7) is meshedly connected to the outer surface of the worm gear (6); A gear (8), the gear (8) is fixedly connected to the bottom end of the rotating shaft (5), both sides of the gear (8) are meshedly connected with racks (9), and the bottom end of the rack (9) is fixedly connected with a clamping block (10); A connector (11) is detachably mounted in the mounting groove (4); a fixing block (12) is fixedly connected to the side wall of the connector (11); and both sides of the fixing block (12) are provided with a fixing slot (13) adapted to the fixing block (10).

2. A hydraulic cylinder with a convenient joint replacement (11) according to claim 1, characterized in that: The top end of the rotating shaft (5) is rotatably connected to the mounting groove (4) via a bearing.

3. A hydraulic cylinder with a convenient joint replacement (11) according to claim 2, characterized in that: One end of the worm (7) is rotatably connected to the mounting groove (4) via a bearing, and the other end passes through the mounting seat (3) and is provided with a knob (17).

4. A hydraulic cylinder with a convenient joint replacement (11) according to claim 2, characterized in that: There are two racks (9), which are respectively located on both sides of the gear (8), and the two racks (9) are arranged in a centrally symmetrical manner with the center of the gear (8) being a symmetrical point.

5. A hydraulic cylinder with a convenient joint replacement (11) according to claim 4, characterized in that: A guide rod (16) is fixedly connected to the side wall of the rack (9), and a guide groove adapted to the guide rod (16) is opened on the side wall of the mounting groove (4).

6. A hydraulic cylinder with a convenient joint replacement (11) according to claim 5, characterized in that: A positioning column (14) is fixedly connected to the side wall of the joint (11), and a positioning groove (15) adapted to the positioning column (14) is opened on the side wall of the installation groove (4).

7. A hydraulic cylinder with a convenient joint replacement (11) according to claim 1, characterized in that: There are two card blocks (10), one on the left and one on the right, located in the installation slot (4).

8. A hydraulic cylinder with a convenient joint replacement (11) according to claim 7, characterized in that: The end of the clamping block (10) is configured as an arc surface.

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