Telescopic hydraulic cylinder

Abstract

The utility model relates to the technical field of telescopic oil cylinders, and discloses a telescopic hydraulic cylinder which comprises a rotating mechanism, an oil cylinder, an adjusting mechanism, a first bolt and a connecting rod, the rotating mechanism comprises a shell, a plurality of grooves are formed in the lower end of the shell, and first fixing holes are formed in the grooves; a first base is fixedly arranged at the lower end of the screw rod, the adjusting mechanism comprises a bottom plate, two fixing blocks are fixedly arranged at the upper end of the bottom plate, a plurality of adjusting holes are formed in the two fixing blocks, and a second fixing shaft is fixedly arranged between the two fixing blocks. And the piston rod is connected with the screw rod, so that the function conversion from the telescopic oil cylinder to the telescopic rotating oil cylinder is realized. According to the design, the adaptability of the equipment is enhanced, the operation mode can be flexibly adjusted according to the specific use environment, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic oil cylinders, in particular to a telescopic hydraulic cylinder. Background Technique

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion. It has a simple structure and reliable operation. When used to achieve reciprocating motion, a speed reduction device can be omitted, and there is no transmission gap, so the motion is stable. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] The classification of hydraulic cylinders mainly includes ordinary hydraulic cylinders and rotary hydraulic cylinders. Both types of hydraulic cylinders focus on realizing their inherent basic functions and usually do not have the flexibility to convert functions according to actual application requirements. Therefore, when the usage requirements or application scenarios change, it is usually necessary to replace the hydraulic cylinder to meet the new requirements. This method not only increases the cost expenditure, but also the replacement process is relatively time-consuming, affecting work efficiency and economic benefits. Therefore, the utility model provides a telescopic hydraulic cylinder to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a telescopic hydraulic cylinder is proposed. When the device is in use, by installing the outer shell at the upper end of the oil cylinder and then connecting the piston rod and the screw rod together, it is beneficial to convert the telescopic oil cylinder into a telescopic rotating oil cylinder, which is beneficial to changing different modes according to different use environments, making it more practical.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A telescopic hydraulic cylinder, including a rotating mechanism, an oil cylinder, an adjusting mechanism, a first bolt and a connecting rod. The rotating mechanism includes an outer shell. A plurality of grooves are opened at the lower end of the outer shell, and a first fixing hole is opened inside each of the plurality of grooves. The upper end inner part of the outer shell is threadedly sleeved with a screw rod, and a first base is fixedly arranged at the lower end of the screw rod;

[0006] The adjusting mechanism includes a bottom plate. Two fixing blocks are fixedly arranged at the upper end of the bottom plate. A plurality of adjusting holes are opened in the two fixing blocks. A second fixing shaft is fixedly arranged between the two fixing blocks. A first fixing shaft is fixedly arranged inside one of the plurality of adjusting holes. The oil cylinder includes a cylinder body. A plurality of third clamping blocks are fixedly arranged at the upper end of the cylinder body. A second fixing hole is penetrated through each of the plurality of third clamping blocks. A connecting piece is fixedly arranged at the lower end of the cylinder body. A third fixing hole and a fourth fixing hole are penetrated through the connecting piece;

[0007] Through the above technical solution, when the device is in use, by installing the outer shell at the upper end of the oil cylinder, the piston rod can push the screw rod to convert the oil cylinder into a rotary oil cylinder. This is beneficial to increasing its practicality and enabling it to be freely transformed according to the user's needs. In addition, by fixing the third fixing hole and the adjusting holes at different angles together through the first fixing shaft, the angle of the oil cylinder can be adjusted without the need to replace different types of connecting parts to change its direction.

[0008] Further, a plurality of second clamping blocks are fixedly arranged inside the outer shell. The plurality of second clamping blocks are grouped in pairs, and a plurality of first clamping blocks are fixedly arranged around the first base. The plurality of first clamping blocks are slidably arranged inside the plurality of second clamping blocks;

[0009] Through the above technical solution, through the plurality of second clamping blocks, it is not only beneficial to strengthen the strength of the outer shell, but also can limit the first base through the second clamping blocks to make it more stable during the movement process.

[0010] Further, the connecting part is rotatably arranged around the second fixing shaft through the fourth fixing hole, and the connecting part is fixedly arranged around the first fixing shaft through the third fixing hole;

[0011] Through the above technical solution, through the fourth fixing hole, it is beneficial to install the oil cylinder at the upper end of the adjusting base. Through the third fixing hole, it is beneficial to change the direction of the oil cylinder and increase its practicality.

[0012] Further, two sliders are slidably arranged between the two fixing blocks, and second bolts are arranged around the upper end of the bottom plate;

[0013] Through the above technical solution, through the two sliders, it is beneficial to connect the two fixing blocks to make it more stable. Through the plurality of second bolts, it is beneficial to fix the device at any position.

[0014] Further, an oil outlet hole is arranged at the upper end of one side of the cylinder block, and an oil inlet hole is arranged at the lower end of one side of the cylinder block;

[0015] Through the above technical solution, through the oil outlet hole and the oil inlet hole, it is beneficial to enable the oil cylinder to operate smoothly.

[0016] Further, a piston rod is slidably arranged inside the cylinder block, and a through hole is arranged through the lower end inside the outer shell;

[0017] Through the above technical solution, through the piston rod, it is beneficial to lift under the push of hydraulic oil to achieve telescoping. Through the through hole at the lower end of the outer shell, it is beneficial to enable the piston rod to pass through smoothly.

[0018] Further, the outer shell is fixedly arranged at the upper end of the cylinder block through the first bolt, and the connecting rod is threadedly sleeved inside the piston rod and the screw rod;

[0019] Through the above technical solution, the outer shell is beneficial to the installation of the screw rod and enables the screw rod to rotate during the ascending process. Through the connecting rod, it is beneficial for the piston rod to drive the screw rod to move up and down.

[0020] The utility model has the following beneficial effects:

[0021] 1. A telescopic hydraulic cylinder proposed by the utility model. When the device is in use, the outer shell is inserted into the upper end inside the cylinder body. Through the grooves around the outer shell and the third clamping block at the upper end of the cylinder body, it is beneficial to align a plurality of first fixing holes and second fixing holes, and it can also be fixed more firmly. After alignment, the outer shell and the cylinder body are fixed together by the first bolt. Then, the connecting rod is passed through the screw rod, and its lower end is threadedly sleeved inside the piston rod. At this time, the oil cylinder can achieve the rotation function, which is beneficial to freely rotate according to the needs of the user, and there is no need to carry two types of oil cylinders.

[0022] 2. A telescopic hydraulic cylinder proposed by the utility model. When the device is in use, by fixing the adjustment holes at different positions of the third fixing hole at the lower end of the oil cylinder together, it is beneficial to adjust the angle of the oil cylinder, without the need to replace different types of connecting parts, and the adjustment process is relatively simple, without wasting time. Moreover, during the adjustment process, it is not necessary to disassemble the entire device to complete the adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is an axonometric schematic diagram of the utility model;

[0024] Figure 2 is an exploded axonometric schematic diagram of the utility model;

[0025] Figure 3 is a cross-sectional schematic diagram of the rotation mechanism of the utility model;

[0026] Figure 4 is a cross-sectional schematic diagram of the utility model;

[0027] Figure 5 is an axonometric schematic diagram of the adjustment mechanism of the utility model.

[0028] LEGEND DESCRIPTION:

[0029] 1. Rotating mechanism; 2. Oil cylinder; 3. Adjusting mechanism; 4. First bolt; 5. Connecting rod; 101. Outer shell; 102. First base; 103. First clamping block; 104. Groove; 105. Screw; 106. Second clamping block; 107. First fixing hole; 201. Third clamping block; 202. Connecting piece; 203. Second fixing hole; 204. Cylinder block; 205. Third fixing hole; 206. Fourth fixing hole; 207. Oil outlet hole; 208. Oil inlet hole; 209. Piston rod; 301. Fixed block; 302. Adjusting hole; 303. Slide block; 304. Second bolt; 305. First fixing shaft; 306. Second fixing shaft; 307. Bottom plate. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Referring to Figures 1-5 , an embodiment provided by the present invention: a telescopic hydraulic cylinder, including a rotating mechanism 1, an oil cylinder 2, an adjusting mechanism 3, a first bolt 4 and a connecting rod 5. The rotating mechanism 1 includes an outer shell 101, which is beneficial to the installation of the screw 105, and the inner thread is provided at the upper end thereof, which is beneficial to the rotation of the screw 105. A plurality of grooves 104 are provided at the lower end of the outer shell 101, which is beneficial to align the first fixing hole 107 and the second fixing hole 203. The first fixing holes 107 are provided inside the plurality of grooves 104, which is beneficial to fix the outer shell 101. The screw 105 is threadedly sleeved inside the upper end of the outer shell 101, and the first base 102 is fixedly provided at the lower end of the screw 105, which is beneficial to make the screw 105 more stable during operation;

[0032] The adjusting mechanism 3 includes a bottom plate 307 which is conducive to installing the fixing block 301. At the upper end of the bottom plate 307, two fixing blocks 301 are fixedly arranged, which is conducive to installing the oil cylinder 2. Multiple adjusting holes 302 are formed in the two fixing blocks 301, which is conducive to adjusting the angle of the oil cylinder 2. A second fixing shaft 306 is fixedly arranged between the two fixing blocks 301, which is conducive to installing the oil cylinder 2. One of the multiple adjusting holes 302 is internally fixedly provided with a first fixing shaft 305, which is conducive to fixing the oil cylinder 2 after adjusting its angle. The oil cylinder 2 includes a cylinder body 204. At the upper end of the cylinder body 204, a plurality of third clamping blocks 201 are fixedly arranged, which is conducive to cooperating with the grooves 104 around the outer shell 101 to align a plurality of first fixing holes 107 and second fixing holes 203. A second fixing hole 203 is formed through each of the plurality of third clamping blocks 201, which is conducive to fixing the outer shell 101. At the lower end of the cylinder body 204, a connecting piece 202 is fixedly arranged, which is conducive to connecting the oil cylinder 2 and the adjusting mechanism 3. The connecting piece 202 is provided with a third fixing hole 205 and a fourth fixing hole 206 through it.

[0033] A plurality of second clamping blocks 106 are fixedly arranged inside the outer shell 101, which is conducive to enhancing the strength of the outer shell 101. The plurality of second clamping blocks 106 are grouped in pairs. A plurality of first clamping blocks 103 are fixedly arranged around the first base 102. The plurality of first clamping blocks 103 are slidably arranged inside the plurality of second clamping blocks 106, which is conducive to making the screw rod 105 more stable during the ascending process and preventing its lower end from shifting. The connecting piece 202 is rotatably arranged around the second fixing shaft 306 through the fourth fixing hole 206, and the connecting piece 202 is fixedly arranged around the first fixing shaft 305 through the third fixing hole 205. Two sliders 303 are slidably arranged between the two fixing blocks 301, which is conducive to connecting the two fixing blocks 301 and making them more stable. Second bolts 304 are arranged around the upper end of the bottom plate 307, which is conducive to installing the adjusting mechanism 3 at any position. An oil outlet hole 207 is arranged at the upper end of one side of the cylinder body 204, and an oil inlet hole 208 is arranged at the lower end of one side of the cylinder body 204. The oil inlet hole 208 and the oil outlet hole 207 cooperate with each other, which is conducive to enabling the oil cylinder 2 to operate normally. A piston rod 209 is slidably arranged inside the cylinder body 204, which is conducive to pushing a heavy object. A through hole is penetrated and arranged at the lower end inside the outer shell 101, which is conducive to enabling the piston rod 209 to pass through smoothly. The outer shell 101 is fixedly arranged at the upper end of the cylinder body 204 through a first bolt 4. The connecting rod 5 is threadedly sleeved inside the piston rod 209 and the screw rod 105, which is conducive to driving the screw rod 105 to move up and down.

[0034] Working principle: When this device is in use, if it is necessary to adjust the working mode of the oil cylinder 2, the housing 101 can be inserted into the upper end interior of the oil cylinder 2, so that the groove 104 of the housing 101 is clamped together with the third clamping block 201 at the upper end of the oil cylinder 2. At this time, the first fixing hole 107 of the housing 101 is aligned with the second fixing hole 203 of the cylinder block 204, and then a plurality of first bolts 4 are sequentially fixed inside it. Then, the screw rod 105 and the piston rod 209 are connected together through the connecting rod 5. At this time, when the oil cylinder 2 is running, it pushes the screw rod 105 to move up and down, and the screw rod 105 rotates driven by the thread inside the upper end of the housing 101. If the angle needs to be adjusted, first remove the first fixed shaft 305, then align the third fixed hole 205 at the bottom of the oil cylinder 2 with other adjustment holes 302, and then reinstall the first fixed shaft 305 inside it to complete the adjustment of the angle.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A telescopic hydraulic cylinder, comprising a rotating mechanism (1), an oil cylinder (2), an adjusting mechanism (3), a No. 1 bolt (4) and a connecting rod (5), characterized in that: The rotating mechanism (1) comprises a housing (101), a plurality of grooves (104) are provided at the lower end of the housing (101), a first fixing hole (107) is provided inside each of the plurality of grooves (104), a screw rod (105) is threadedly sleeved inside the upper end of the housing (101), and a first base (102) is fixedly provided at the lower end of the screw rod (105); The adjustment mechanism (3) comprises a bottom plate (307), two fixing blocks (301) are fixedly arranged at the upper end of the bottom plate (307), the two fixing blocks (301) are provided with a plurality of adjustment holes (302), a No. 2 fixing shaft (306) is fixedly arranged between the two fixing blocks (301), a No. 1 fixing shaft (305) is fixedly arranged inside one of the plurality of adjustment holes (302), the oil cylinder (2) comprises a cylinder body (204), a plurality of No. 3 clamping blocks (201) are fixedly arranged at the upper end of the cylinder body (204), the plurality of No. 3 clamping blocks (201) are all provided with a No. 2 fixing hole (203) through them, and a connecting piece (202) is fixedly arranged at the lower end of the cylinder body (204), the connecting piece (202) is provided with a No. 3 fixing hole (205) and a No. 4 fixing hole (206) through them.

2. A telescopic hydraulic cylinder according to claim 1, characterized in that: A plurality of No. 2 clamping blocks (106) are fixedly arranged inside the housing (101), and the plurality of No. 2 clamping blocks (106) are arranged in groups of two. A plurality of No. 1 clamping blocks (103) are fixedly arranged around the No. 1 base (102), and the plurality of No. 1 clamping blocks (103) are slidably arranged inside the plurality of No. 2 clamping blocks (106).

3. A telescopic hydraulic cylinder according to claim 1, characterized in that: The connecting member (202) is rotatably arranged around the No. 2 fixed shaft (306) through the No. 4 fixed hole (206), and the connecting member (202) is fixedly arranged around the No. 1 fixed shaft (305) through the No. 3 fixed hole (205).

4. A telescopic hydraulic cylinder according to claim 1, characterized in that: Two sliding blocks (303) are slidably arranged between the two fixing blocks (301), and No. 2 bolts (304) are arranged around the upper end of the bottom plate (307).

5. The telescopic hydraulic cylinder according to claim 1, characterized in that: An oil outlet hole (207) is provided at an upper end of one side of the cylinder body (204), and an oil inlet hole (208) is provided at a lower end of one side of the cylinder body (204).

6. A telescopic hydraulic cylinder according to claim 1, characterized in that: A piston rod (209) is slidably arranged inside the cylinder body (204), and a through hole is penetrated through the lower end of the inner part of the shell (101).

7. A telescopic hydraulic cylinder according to claim 1, characterized in that: The housing (101) is fixedly arranged on the upper end of the cylinder body (204) by means of a No. 1 bolt (4), and the connecting rod (5) is threadedly sleeved inside the piston rod (209) and the screw rod (105).

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