CN218717858U

CN218717858U - Reduce hydro-cylinder of hydraulic fluid port welding deformation

Info

Publication number: CN218717858U
Application number: CN202222868994.1U
Authority: CN
Inventors: 尹廷慧
Original assignee: Jinan Fu Chi Technology Co ltd
Current assignee: Jinan Fu Chi Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to an hydro-cylinder technical field just discloses a reduce hydro-cylinder of hydraulic fluid port welding deformation, including the hydro-cylinder body, the hydraulic fluid port has been seted up on the hydro-cylinder body, and the inner wall of hydraulic fluid port is provided with the internal thread, be provided with the connector on the hydro-cylinder body, and be provided with the external screw thread on the connector, and connector and hydraulic fluid port threaded connection, the fixed cover of outer wall of connector is equipped with the welding piece, the cylinder body top of hydro-cylinder body is provided with the mounting panel, be provided with mounting bolt on the mounting panel, mounting bolt run through the mounting panel and with the cylinder body top threaded connection of hydro-cylinder body, the bottom fixedly connected with backplate of mounting panel. Through threaded connection between two lock nuts and the stud and threaded connection between hydraulic fluid port and the connector, mechanical tensile stress is born, the condition of hydraulic fluid port welding deformation is reduced, and the connecting plate is connected with two backplates through the connecting bolt, so that the overall stability is improved.

Description

Reduce hydro-cylinder of hydraulic fluid port welding deformation

Technical Field

The utility model relates to an hydro-cylinder technical field specifically is a reduce hydro-cylinder of hydraulic fluid port welding deformation.

Background

In the course of human industrial civilization, hydraulic transmission and control systems are widely applied to transmission and control of various mechanical equipment, and in the existing hydraulic transmission and control technology, a hydraulic oil cylinder is one of the most widely applied actuating elements at present. Hydraulic rams are one of the essential components of almost every hydraulic drive and control system or hydraulically driven plant. The hydraulic oil cylinder plays an important role in the development of human mechanical equipment, and as the hydraulic technology develops towards the direction of high precision, high pressure and high-speed operation, the welding of an oil inlet and an oil outlet of the hydraulic oil cylinder is changed into a difficult problem which needs to be overcome by people.

The prior art is as follows: "CN203316986U", the disclosure of this patent is as follows: a new joint for reducing the welding deformation of an oil inlet and an oil outlet of a hydraulic oil cylinder is structurally formed by combining an internal thread hole on a cylinder body and a joint body which is matched with the internal thread hole and is provided with a section of external thread, wherein the upper part of a thread inner hole of the oil inlet and the oil outlet on the cylinder body is provided with a counter bore with the diameter slightly larger than the diameter of a thread bottom and the depth of about 2 mm; the diameter of the plane is about 10mm larger than that of the counter bore, and the sharp angle of the intersection line of the counter bore and the vertical intersection plane is kept intact; the middle of the joint body is provided with a flange, one end of the flange is provided with an external thread matched with the oil inlet and outlet threads of the cylinder barrel, the other end of the flange is provided with a cylinder, and the intersection part of the bottom surface of the flange and the joint threads is processed into a cone in the form of a tool withdrawal groove.

In the prior art, in actual use, the internal thread of the oil inlet and the oil outlet on the cylinder body and the external thread on the joint body are used as the mounting connection pair of the joint body of the oil inlet and the oil outlet, and the thread pair bears the mechanical tensile stress of most of oil cylinders during working, but the internal thread of the oil inlet and the external thread on the joint body are abraded after long-term use, so that the condition of thread slipping occurs, and the thread pair cannot bear the mechanical tensile stress.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a reduce hydraulic fluid port welding deformation's hydro-cylinder.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reduce hydro-cylinder of hydraulic fluid port welding deformation, includes the hydro-cylinder body, the hydraulic fluid port has been seted up on the hydro-cylinder body, and the inner wall of hydraulic fluid port is provided with the internal thread, be provided with the connector on the hydro-cylinder body, and be provided with the external screw thread on the connector, and connector and hydraulic fluid port threaded connection, the fixed cover of outer wall of connector is equipped with the welding piece, the cylinder body top of hydro-cylinder body is provided with the mounting panel, be provided with construction bolt on the mounting panel, construction bolt run through the mounting panel and with the cylinder body top threaded connection of hydro-cylinder body, the bottom fixedly connected with backplate of mounting panel, the outer wall movable sleeve of connector is equipped with the annular cover, the outer wall fixedly connected with front bezel of annular cover, be provided with stud on the front bezel, stud runs through front bezel and backplate, stud's both ends threaded connection has lock nut.

The embodiment of the utility model provides an in, mounting bolt's quantity is four, four mounting bolt encircles the cylinder body top that sets up at the hydro-cylinder body, through setting up a plurality of mounting bolts, is more stable in order to make being connected of mounting panel and hydro-cylinder body.

The embodiment of the utility model provides an in, the quantity of hydraulic fluid port is two, and sets up on the hydro-cylinder body from top to bottom, through setting up two hydraulic fluid ports, is for the ease of oil feed and oil production.

The embodiment of the utility model provides an in, the quantity of backplate is two, is provided with the connecting plate on two backplates, be provided with two connecting bolt on the connecting plate, two connecting bolt through connection board respectively with two backplate threaded connection, through setting up connecting plate and connecting bolt, be for making two backplates more stable.

The embodiment of the utility model provides an in, stud's quantity is two on the front bezel, and the symmetry sets up at the both ends of front bezel, and through setting up two stud, is more stable for the annular cover compresses tightly the welding piece, and is more even.

The embodiment of the utility model provides an in, the fixed cover of outer wall of connector is equipped with the seal cover, and the inner wall top fixed connection of seal cover and welding piece, through setting up the seal cover, is in order to improve the leakproofness between connector and the hydraulic fluid port, avoids appearing the condition of leaking.

(III) advantageous effects

Compared with the prior art, the utility model provides a reduce hydro-cylinder of hydraulic fluid port welding deformation possesses following beneficial effect:

the oil cylinder capable of reducing the welding deformation of the oil port bears mechanical tensile stress through threaded connection between the two locking nuts and the stud and threaded connection between the oil port and the connector, reduces the welding deformation of the oil port, and is connected with the connecting plate and the two back plates through the connecting bolt, so that the overall stability is improved.

(two), this reduce hydro-cylinder of hydraulic fluid port welding deformation is convenient for install, dismantle through setting up mounting panel and construction bolt, when wearing and tearing appear in the screw thread between stud and lock nut, change alone stud and lock nut can, need not to weld once more to save the cost, improve work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic back view of the present invention;

FIG. 3 is a schematic view of the oil cylinder body of the present invention;

fig. 4 is a schematic view of the connector of the present invention.

In the figure: 1. an oil cylinder body; 2. an oil port; 3. a connector; 4. welding the blocks; 5. mounting a plate; 6. installing a bolt; 7. a back plate; 8. an annular sleeve; 9. a front plate; 10. a stud bolt; 11. locking the nut; 12. a connecting plate; 13. a connecting bolt; 14. and (5) sealing the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in figures 1-4, the utility model provides an oil cylinder for reducing welding deformation of an oil port, which comprises an oil cylinder body 1, wherein the oil port 2 is arranged on the oil cylinder body 1, the inner wall of the oil port 2 is provided with internal threads, the number of the oil port 2 is two, the oil cylinder body 1 is vertically provided with the two oil ports 2, the oil cylinder body 1 is provided with a connector 3 for facilitating oil inlet and oil outlet, the connector 3 is provided with external threads, the connector 3 is in threaded connection with the oil port 2, the outer wall of the connector 3 is fixedly sleeved with a welding block 4, the outer wall of the connector 3 is fixedly sleeved with a sealing sleeve 14, the sealing sleeve 14 is fixedly connected with the top of the inner wall of the welding block 4, the sealing sleeve 14 is arranged for improving the sealing property between the connector 3 and the oil port 2, the leakage condition is avoided, the top of the cylinder body of the oil cylinder body 1 is provided with a mounting plate 5, the mounting bolt 6 is arranged on the mounting plate 5, the mounting bolt 6 penetrates the mounting plate 5 and is in threaded connection with the top of the cylinder body 1, the mounting plate 7 is arranged for enabling the mounting bolt to be connected with a backboard 7 stably through a connecting plate 12, and a connecting plate 12 is arranged on the outer wall of the connecting plate for stably connecting plate 7, and a connecting plate 7 is arranged on the connecting plate for connecting plate 7, be provided with stud 10 on the front bezel 9, the quantity of stud 10 is two on the front bezel 9, and the symmetry sets up at the both ends of front bezel 9, and through setting up two stud 10, it is more stable for the annular cover 8 compresses tightly welded block 4, and is more even, and stud 10 runs through front bezel 9 and backplate 7, and stud 10's both ends threaded connection has lock nut 11.

The working principle of the oil cylinder for reducing the welding deformation of the oil port is described in detail below.

As shown in fig. 1-4, during use, the connector 3 is connected with the oil port 2 through the internal thread on the oil port 2 and the external thread on the connector 3, so that the edge of the welded block 4 is abutted to the oil cylinder body 1, the welded block 4 is welded to the oil cylinder body 1 through the welding gun, after welding is completed, the mounting plate 5 is fixed at the top of the oil cylinder body 1 through the mounting bolt 6, the annular sleeve 8 is sleeved on the connector 3, the stud 10 penetrates through the front plate 9 and the back plate 7, the two ends of the stud 10 are locked through the locking nut 11, the annular sleeve 8 is abutted to the welded block 4, mechanical tensile stress is borne through the threaded connection between the two locking nuts 11 and the stud 10 and the threaded connection between the oil port 2 and the connector 3, the welding deformation of the oil port is reduced, the connecting plate 12 is connected with the two back plates 7 through the connecting bolt 13, and the overall stability is improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a reduce hydro-cylinder of hydraulic fluid port welding deformation, includes hydro-cylinder body (1), its characterized in that: oil mouth (2) have been seted up on hydro-cylinder body (1), and the inner wall of oil mouth (2) is provided with the internal thread, be provided with connector (3) on hydro-cylinder body (1), and be provided with the external screw thread on connector (3), and connector (3) and oil mouth (2) threaded connection, the fixed cover of outer wall of connector (3) is equipped with welding block (4), the cylinder body top of hydro-cylinder body (1) is provided with mounting panel (5), be provided with mounting bolt (6) on mounting panel (5), mounting bolt (6) run through mounting panel (5) and with the cylinder body top threaded connection of hydro-cylinder body (1), the bottom fixedly connected with backplate (7) of mounting panel (5), the outer wall movable sleeve of connector (3) is equipped with annular cover (8), the outer wall fixedly connected with front bezel (9) of annular cover (8), be provided with stud (10) on front bezel (9), stud (10) run through front bezel (9) and backplate (7), the both ends threaded connection of stud (10) has lock nut (11).

2. The oil cylinder for reducing welding deformation of the oil port according to claim 1, wherein: the number of the mounting bolts (6) is four, and the four mounting bolts (6) are arranged at the top of the cylinder body of the oil cylinder body (1) in a surrounding mode.

3. The oil cylinder for reducing welding deformation of the oil port according to claim 1, wherein: the number of the oil ports (2) is two, and the oil ports are vertically arranged on the oil cylinder body (1).

4. The oil cylinder for reducing welding deformation of the oil port according to claim 1, wherein: the number of the back plates (7) is two, the two back plates (7) are provided with connecting plates (12), the connecting plates (12) are provided with two connecting bolts (13), and the two connecting bolts (13) penetrate through the connecting plates (12) and are respectively in threaded connection with the two back plates (7).

5. The oil cylinder for reducing welding deformation of the oil port according to claim 1, wherein: the number of the stud bolts (10) on the front plate (9) is two, and the stud bolts are symmetrically arranged at two ends of the front plate (9).

6. The oil cylinder for reducing welding deformation of the oil port according to claim 1, wherein: the outer wall of the connector (3) is fixedly sleeved with a sealing sleeve (14), and the sealing sleeve (14) is fixedly connected with the top of the inner wall of the welding block (4).