Guiding control structure of output end of hydraulic oil cylinder

Abstract

The utility model provides a guide control structure of a hydraulic oil cylinder output end, which comprises a fixed seat, a cylinder barrel connecting sleeve, a sliding sleeve, a telescopic piece, a connecting screw rod and a guide post, the fixed seat is connected with a hydraulic oil cylinder through the cylinder barrel connecting sleeve, and the telescopic piece is connected with the output end of a piston rod through the connecting screw rod; the sliding sleeve is fixedly installed in the fixing base, the telescopic piece is connected in the sliding sleeve in a sliding mode, and the connecting screw rod is connected with the telescopic piece through threads so that the relative position of the connecting screw rod and the telescopic piece can be adjusted; a longitudinally-arranged guide groove is further formed in the side face of the telescopic piece, a first through hole is formed in the position, corresponding to the guide groove, of the side wall of the fixing base, a second through hole is formed in the side wall of the sliding sleeve, and a guide column penetrates through the first through hole and the second through hole and then is connected into the guide groove. According to the guide control structure of the output end of the hydraulic oil cylinder, the stroke position of the output end of the piston rod of the hydraulic oil cylinder is adjusted by adjusting the relative position relation between the connecting screw rod and the telescopic piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic control technical field especially relates to a guide control structure of hydraulic oil cylinder output end. BACKGROUND

[0002] Once the hydraulic cylinder is installed and fixed, its position is usually not adjustable. So if in the process of installation, the stroke length and stroke position of the hydraulic cylinder need to be accurately controlled, which will put forward high requirements for the installation operation. But even so, in engineering practice, the installation accuracy of the hydraulic cylinder cannot be completely guaranteed, and the position of the hydraulic cylinder needs to be adjusted after installation, which will certainly lead to the complexity of installation and debugging work.

[0003] The existing device for adjusting the stroke of the oil cylinder can only adjust the length of the stroke of the oil cylinder, but cannot adjust the position of the stroke (that is, the coordinates of both ends of the stroke), so a device for adjusting the position of the stroke of the oil cylinder needs to be designed. SUMMARY

[0004] The utility model relates to a guide control structure of hydraulic oil cylinder output end solves the problem of accurate control of the stroke position of the hydraulic cylinder.

[0005] In order to solve the above technical problem, the utility model provides a guide control structure of hydraulic oil cylinder output end, which is connected to the output end of the hydraulic cylinder and the piston rod, comprising a fixed seat, a cylinder barrel adapter sleeve, a sliding sleeve, an extension piece, a connecting screw rod and a guide column, wherein the fixed seat is connected with the hydraulic cylinder through the cylinder barrel adapter sleeve, and the extension piece is connected with the output end of the piston rod through the connecting screw rod; the sliding sleeve is fixedly installed in the fixed seat, the extension piece is slidably connected in the sliding sleeve, the connecting screw rod is connected with the extension piece through threads, so that the relative position of the connecting screw rod and the extension piece is adjustable; a longitudinal guide groove is further arranged on the side surface of the extension piece, a first through hole is formed on the side wall of the fixed seat corresponding to the position of the guide groove, and a second through hole is formed on the side wall of the sliding sleeve, and the guide column is connected in the guide groove after passing through the first through hole and the second through hole.

[0006] The end of the guide column is provided with a bearing, and the bearing is embedded in the guide groove.

[0007] The diameter of the first through hole is smaller than that of the second through hole, so that the outer side of the bearing can be limited by the fixed seat.

[0008] A circular threaded groove is further arranged on the outer circumference of the first through hole; correspondingly, the guide column comprises a cylindrical portion at the front end and a cap-shaped portion at the rear end, and the cap-shaped portion is connected with the threaded groove through threads.

[0009] The telescopic part is provided with an inner threaded hole connected with the connecting screw rod, and an enlarged accommodating cavity is arranged at the bottom of the inner threaded hole to accommodate the part of the connecting screw rod exceeding the inner threaded hole.

[0010] The rear end of the connecting screw rod is provided with a limiting step to block the rear end of the connecting screw thread from entering the inner threaded hole.

[0011] The connecting screw rod is fixedly connected with the piston rod.

[0012] The cylinder sleeve adapter is a cylindrical structure and can be sleeved on the outside of the cylinder, and the connection between the cylinder sleeve adapter and the cylinder is detachable.

[0013] The side surface of the fixed seat is provided with a clamping groove for fixedly connecting to an external structural member.

[0014] The guiding control structure of the hydraulic oil cylinder output end provided by the utility model is connected at the output end of the hydraulic oil cylinder, the relative position relationship between the connecting screw rod and the telescopic part is adjusted, the stroke position of the piston rod output end of the hydraulic oil cylinder is adjusted, and accurate adjustment is realized, so that the guiding control structure can be applied to high-precision industrial production. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The utility model discloses a structure schematic view of the guiding control structure of the hydraulic oil cylinder output end.

[0016] Fig. 2 The utility model discloses a structure schematic view of the guiding control structure of the hydraulic oil cylinder output end.

[0017] In the drawing:

[0018] 1-fixed seat;2-cylinder sleeve adapter;3-sliding sleeve;4-telescopic part;5-connecting screw rod;6-guide column;7-piston rod;8-bearing;11-first through hole;12-clamping groove;31-second through hole;41-guide groove;42 inner threaded hole;43-accommodating cavity;51-limiting step;61-cap-shaped part;111-threaded groove. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0020] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are merely used for the purpose of illustration and are not intended to be limiting.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0022] Reference Figs. 1-2 As shown in the drawings, the utility model provides a kind of guiding control structure of hydraulic cylinder output end, connect in hydraulic cylinder (omit not shown in the drawing) and the output end of piston rod 7, including fixed seat 1, cylinder sleeve adapter 2, sliding sleeve 3, telescopic piece 4, connecting screw 5 and guide column 6, wherein, the fixed seat 1 is connected with hydraulic cylinder by cylinder sleeve adapter 2, and telescopic piece 4 is connected with the output end of piston rod 7 by connecting screw 5;Sliding sleeve 3 is fixedly installed in fixed seat 1, and telescopic piece 4 is slidably connected in sliding sleeve 3, and connecting screw 5 is connected with telescopic piece 4 by thread, to make the relative position of connecting screw 5 and telescopic piece 4 adjustable;Longitudinal guide groove is further provided on the side surface of telescopic piece 4, corresponding guide groove 41 position, first through-hole 11 is opened on the side wall of fixed seat 1, and second through-hole 31 is opened on the side wall of sliding sleeve 3, and the guide column 6 is connected in guide groove 41 after passing through first through-hole 11 and second through-hole 31.

[0023] The external of fixed seat 1 is square shape, for installation and fixation, and the internal is hollow cylindrical shape, for cooperation and connection with sliding sleeve 3;Cylinder sleeve adapter 2 is connected between fixed seat 1 and hydraulic cylinder, and the external of cylinder sleeve adapter 2 is circular shape, and the left end of cylinder sleeve adapter 2 is sleeved in the external of hydraulic cylinder, and the right end is embedded and connected in the internal of fixed seat 1;Sliding sleeve 3 is cylindrical shape, and the inner wall thereof is smooth, so that telescopic piece 4 can reciprocate in it;The external of telescopic piece 4 is smooth, and is cylindrical shape, and the left end of telescopic piece is connected with connecting screw 5, and the right end is output end, for being connected with controlled device, and the left end of telescopic piece is provided with concave internal thread hole 42, and larger accommodating chamber 43 is processed in the bottom of internal thread hole 42, and internal thread hole 42 is used for being connected with connecting screw 5, and accommodating chamber 43 can accommodate the part of connecting screw 5 exceeding internal thread hole 42.

[0024] The end of the guide column 6 is provided with a bearing 8, and the bearing is embedded in the guide groove 41. The bearing 8 can change the sliding friction between the guide column 6 and the guide groove 41 into rolling friction, thereby greatly reducing the friction of the guide column 6 to the guide groove 41.

[0025] The diameter of the first through hole 11 is smaller than the diameter of the second through hole 31, so that the outer side of the bearing 8 can be limited by the fixed base 1, the diameter of the first through hole 11 is the same as the diameter of the columnar part of the guide column 6, the diameter of the second through hole 31 is larger than the diameter of the columnar part of the guide column, and the bearing 8 can be partially accommodated in the second through hole 31.

[0026] A circular threaded groove 111 is further arranged on the outer periphery of the first through hole 11; correspondingly, the guide column 6 comprises a columnar part at the front end and a cap-shaped part 61 at the rear end, and the cap-shaped part 61 is connected with the threaded groove 111 through threads.

[0027] The telescopic part 4 is provided with an inner threaded hole 42 connected with the connecting screw rod 5, and an enlarged accommodating cavity 43 is arranged at the bottom of the inner threaded hole, so as to accommodate the part of the connecting screw rod 5 that exceeds.

[0028] The rear end of the connecting screw rod 5 is provided with a limiting step 51, so as to block the rear end of the connecting screw thread from entering the inner threaded hole 42, and at this time, the end part on the right side of the connecting screw rod 5 is located in the accommodating cavity 43.

[0029] The connecting screw rod 5 is fixedly connected with the piston rod 7.

[0030] The cylinder sleeve 2 is a cylindrical structure, and the cylinder sleeve 2 can be sleeved on the outside of the cylinder, and the connection between the cylinder sleeve 2 and the cylinder is detachable.

[0031] The side surface of the fixed base 1 is provided with a clamping groove 12, which is used for fixedly connecting to an external structural member, and a threaded hole can be usually processed in the clamping groove, so as to be fixed by screw locking.

[0032] The guide control structure of the output end of the hydraulic oil cylinder provided by the utility model is connected at the output end of the hydraulic oil cylinder, the relative position relationship between the connecting screw rod 5 and the telescopic part 4 is adjusted, the stroke position of the output end of the piston rod 7 of the hydraulic oil cylinder is adjusted, and accurate adjustment is realized, so that the guide control structure can be applied to high-precision industrial production.

[0033] The technical features of the above-described embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0034] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A guide control structure of an output end of a hydraulic cylinder, which is connected to an output end of a hydraulic cylinder and a piston rod, characterized by, The utility model relates to a hydraulic cylinder extension device, including fixed seat, cylinder sleeve, sliding sleeve, telescopic piece, connecting screw rod and guide column, wherein, fixed seat is connected with hydraulic oil cylinder through cylinder sleeve, and telescopic piece is connected with the output end of piston rod through connecting screw rod, sliding sleeve is fixedly installed in fixed seat, and telescopic piece is slidably connected in sliding sleeve, and connecting screw rod is connected with telescopic piece through thread, so that the relative position of connecting screw rod and telescopic piece is adjustable, longitudinal guide slot is further arranged on the side of telescopic piece, the first through -hole is seted up on the side wall of fixed seat corresponding to the position of guide slot, the second through -hole is opened on the side wall of sliding sleeve, and the guide column is connected in guide slot after passing through the first through -hole and the second through -hole.

2. The guide control structure according to claim 1, wherein The end of the guide column is provided with a bearing, and the bearing is embedded in the guide slot.

3. The guide control structure of claim 1, wherein, The diameter of the first through -hole is less than the diameter of the second through -hole, so that the outer side of the bearing can be limited by the fixed seat.

4. The guide control structure of claim 1, wherein, A circular thread groove is further arranged on the outer circumference of the first through -hole, and correspondingly, the guide column comprises a cylindrical portion at the front end and a cap-shaped portion at the rear end, and the cap-shaped portion is connected with the thread groove through thread.

5. The guide control structure of claim 1, wherein, An inner thread hole is arranged on the telescopic piece and connected with the connecting screw rod, and an enlarged accommodating chamber is arranged at the bottom of the inner thread hole to accommodate the part of the connecting screw rod exceeding the inner thread hole.

6. The guide control structure of claim 5, wherein, The rear end of the connecting screw rod is provided with a limiting step to block the rear end of the connecting screw thread from entering the inner thread hole.

7. The guide control structure of claim 1, wherein, The connecting screw rod is fixedly connected with the piston rod.

8. The guide control structure of claim 1, wherein, The cylinder sleeve is a cylindrical structure, and the cylinder sleeve can be sleeved on the outside of the cylinder, and the connection between the cylinder sleeve and the cylinder is detachable.

9. The guide control structure of claim 1, wherein, The side of the fixed seat is provided with a clamping groove for fixing to the external structural member.

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