Hydraulic pump with line body storage structure

Abstract

The hydraulic pump with the line body containing structure comprises a cylinder body, a low-pressure cavity is formed in the middle of the interior of the cylinder body, a piston is connected into the low-pressure cavity in a sliding mode, a high-pressure cavity is formed in the end, away from the low-pressure cavity, of the interior of the cylinder body, and the end, close to the high-pressure cavity, of the piston is further connected into the high-pressure cavity in a sliding mode. One end of the cylinder body is provided with an oil port A, the oil port A is communicated with the high-pressure cavity, the top end of the cylinder body is fixedly connected with a positioning disc, the middle of the positioning disc is fixedly connected with a winding shaft, and the transmission wire harness of the cylinder body is wound on the outer side of the winding shaft. Through the structural cooperation of the winding shaft and the wire harness limiting assembly, redundant transmission wire harnesses can be effectively arranged, winding caused by accumulation of the transmission wire harnesses is avoided, and the transmission wire harnesses can be put into use more quickly in the follow-up process.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pump technical field, concretely a kind of hydraulic pump with line body storage structure. BACKGROUND

[0002] Hydraulic pump is a kind of hydraulic element for providing pressurized liquid for hydraulic transmission, its function is to transmit hydraulic power and amplify to the required power element, widely used in engineering machinery, manufacturing industry, aerospace and agricultural machinery etc.

[0003] At present, to meet the installation demand of hydraulic pump, enough wiring harness is reserved when leaving factory, however, in specific use, due to lack of effective wiring harness storage measures, redundant wiring harness is prone to accumulation and entanglement, so that it is difficult to conveniently comb later.

[0004] Therefore, the utility model provides a kind of hydraulic pump with line body storage structure to solve above-mentioned problem. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of hydraulic pump with line body storage structure, solves above-mentioned problem.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of hydraulic pump with line body storage structure, including cylinder body, the middle part of the inside of cylinder body is equipped with low-pressure cavity, the inside of low-pressure cavity is slidably connected with piston, the one end of the inside of cylinder body is equipped with high-pressure cavity away from low-pressure cavity, the one end of piston is also slidably connected with the inside of high-pressure cavity, the one end of cylinder body is provided with oil port A, and the oil port A is communicated with high-pressure cavity, the top of cylinder body is fixedly connected with positioning disc, the middle part of positioning disc is fixedly connected with winding shaft, the transmission wiring harness of cylinder body is also wound on the outside of winding shaft, the edge of positioning disc is equipped with wiring harness limiting assembly.

[0007] Preferably, the wiring harness limiting assembly includes guide rail, displacement seat and guide plate, the edge of the top of positioning disc is fixedly connected with guide rail, the outside of guide rail is slidably connected with displacement seat, the one end of displacement seat is fixedly connected with guide plate, and the transmission wiring harness is also arranged in the inside of guide plate, the one end of displacement seat is fixedly connected with locking shaft away from guide plate, the outside of locking shaft is fixedly connected with limiting sheet, and the limiting sheet is fixedly connected with helical spring between one side and displacement seat.

[0008] Preferably, the outside of low-pressure cavity is equipped with sealing groove, and the inside of sealing groove is fixedly connected with sealing ring.

[0009] Preferably, the winding shaft is hollow structure, and the outside of winding shaft is fixedly connected with protective sleeve.

[0010] Preferably, the guide rail is spiral, and the middle part of the displacement seat is provided with an assembly hole, and the displacement seat is connected to the outer side of the guide rail through the assembly hole.

[0011] Preferably, one end of the guide plate is provided with a through hole, the transmission wire harness is arranged in the through hole, and a plurality of alloy balls are arranged at the connection position of the through hole and the transmission wire harness.

[0012] Preferably, the locking shaft is fixedly connected with a locking block at one end close to the guide rail, and the locking block is provided with an anti-skid pattern at one end away from the limiting sheet.

[0013] Beneficial effects

[0014] The utility model provides a hydraulic pump with line body storage structure. Compared with prior art, the utility model has the following beneficial effects:

[0015] The hydraulic pump with line body storage structure can effectively arrange the redundant transmission wire harness through the structural cooperation of the winding shaft and the wire harness limiting assembly, avoid the winding caused by the accumulation of the transmission wire harness, and make the transmission wire harness be used faster in the subsequent use.

[0016] The hydraulic pump with line body storage structure utilizes the force balance principle through the overall structural cooperation, amplifies the pressure acting on the piston, realizes pressure boosting, and guarantees the overall application effect. DRAWINGS

[0017] Figure 1 It is the overall schematic view of the utility model;

[0018] Figure 2 It is the separation structure schematic view of the cylinder body and the positioning disc of the utility model;

[0019] Figure 3 It is the internal structure schematic view of the cylinder body of the utility model;

[0020] Figure 4 It is the structure schematic view of the wire harness limiting assembly of the utility model;

[0021] Figure 5 It is the separation structure schematic view of the guide rail and the displacement seat of the utility model.

[0022] In the drawing, 1 is a cylinder body, 2 is a low-pressure cavity, 3 is a piston, 4 is a sealing ring, 5 is a high-pressure cavity, 6 is an oil port A, 7 is a positioning disc, 8 is a winding shaft, 9 is a transmission wire harness, 10 is a wire harness limiting assembly, 11 is a guide rail, 12 is a displacement seat, 13 is a guide plate, 14 is a locking shaft, 15 is a limiting sheet, 16 is a spiral spring, 17 is a locking block, 18 is a one-way flow channel A, 19 is a one-way flow channel B, 20 is a one-way valve, and 21 is an oil port B. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment one:

[0025] Please refer to Figures 1-5 A hydraulic pump with a wire body storage structure, including cylinder body 1, the middle part of the inside of cylinder body 1 is provided with low-pressure cavity 2, the inside of low-pressure cavity 2 is slidably connected with piston 3, the end of the inside of cylinder body 1 away from low-pressure cavity 2 is provided with high-pressure cavity 5, the end of piston 3 close to high-pressure cavity 5 is also slidably connected with the inside of high-pressure cavity 5, one end of cylinder body 1 is provided with oil port A 6, and oil port A 6 is communicated with high-pressure cavity 5, the top of cylinder body 1 is fixedly connected with positioning disc 7, the middle part of positioning disc 7 is fixedly connected with winding shaft 8, transmission wire harness 9 of cylinder body 1 is also wound outside winding shaft 8, and wire harness limiting assembly 10 is assembled on the edge of positioning disc 7;

[0026] In the embodiment, the outside of low-pressure cavity 2 is provided with sealing groove, and sealing ring 4 is fixedly connected in the inside of sealing groove. Through the setting of sealing groove, the hidden type of sealing ring 4 can be carried, so as to reduce the gap between sealing ring 4 and low-pressure cavity 2.

[0027] In the embodiment, winding shaft 8 is a hollow structure, and protective sleeve is fixedly connected outside winding shaft 8. Through the structural characteristics of winding shaft 8, the maximum weight reduction can be achieved, and the transmission wire harness 9 can be protected by cooperating with the setting of protective sleeve, so as to avoid damage when the transmission wire harness 9 contacts winding shaft 8.

[0028] Please refer to Figure 3 The inside of cylinder body 1 is also provided with one-way flow channel A 18 and one-way flow channel B 19, and one-way valve 20 is assembled in the inside of one-way flow channel A 18 and one-way flow channel B 19, and one-way flow channel A 18 and one-way flow channel B 19 are communicated with high-pressure cavity 5, and two oil ports B 21 are also provided on one end of cylinder body 1, and the two oil ports B 21 are communicated with one-way flow channel A 18 and one-way flow channel B 19 respectively.

[0029] More specifically, oil flow channel communicated with low-pressure cavity 2 is also provided on cylinder body 1.

[0030] In the embodiment, the area ratio of piston 3 is 3.75:1.

[0031] Please refer to Figure 3, the shape between the low-pressure cavity 2 and the high-pressure cavity 5 is stepped, when the oil enters the inside of the low-pressure cavity 2, the oil will act on the big head of the piston 3, according to the principle of force balance, the force of both ends of the piston 3 is the same, the pressure of the area of the piston 3 is low, and the pressure of the area of the piston 3 is large, so as to realize pressure boosting;

[0032] Embodiment two:

[0033] Please refer to Figures 1-5 , the embodiment provides a technical scheme on the basis of the embodiment one: the wire harness limiting assembly 10 comprises a guide rail 11, a displacement seat 12 and a guide plate 13, the edge of the top end of the positioning disc 7 is fixedly connected with the guide rail 11, the outer side of the guide rail 11 is slidably connected with the displacement seat 12, one end of the displacement seat 12 is fixedly connected with the guide plate 13, and the transmission wire harness 9 also penetrates in the inside of the guide plate 13, the end, away from the guide plate 13, of the displacement seat 12 is fixedly connected with the locking shaft 14, the outer side of the locking shaft 14 is fixedly connected with the limiting sheet 15, and the screw spring 16 is fixedly connected between one side of the limiting sheet 15 and the displacement seat 12;

[0034] In the embodiment, the guide rail 11 is spiral, the middle part of the displacement seat 12 is provided with an assembly hole, and the displacement seat 12 is connected to the outer side of the guide rail 11 through the assembly hole; through the spiral structure of the guide rail 11, the displacement seat 12 can be displaced along the winding shaft 8, and the winding or release of the transmission wire harness 9 is realized;

[0035] In the embodiment, one end of the guide plate 13 is provided with a through hole, the transmission wire harness 9 penetrates in the inside of the through hole, and a plurality of alloy balls are arranged at the connection position of the through hole and the transmission wire harness 9; through the arrangement of the alloy balls, the friction between the transmission wire harness 9 and the guide plate 13 can be effectively reduced, and the skin of the transmission wire harness 9 is prevented from being damaged;

[0036] In the embodiment, the end, close to the guide rail 11, of the locking shaft 14 is fixedly connected with the locking block 17, and the end, away from the limiting sheet 15, of the locking block 17 is provided with an anti-skid pattern; through the structure cooperation of the locking block 17, when the locking block 17 is in contact with the surface of the guide rail 11, the friction of the displacement of the displacement seat 12 can be effectively increased, and uncontrollable movement of the displacement seat 12 is avoided.

[0037] In summary, first pull the locking shaft 14 outward, promote the locking block 17 away from the guide rail 11, thereby unlocking the displacement seat 12, then pull the displacement seat 12, make its position adjustment under the limit of the guide rail 11, and cooperate with the structural characteristics of the guide rail 11, when the displacement seat 12 displaces along the guide rail 11 downward, will gradually release the transmission line bundle 9, then personnel will release the transmission line bundle 9 from the winding shaft 8 and use, because the locking shaft 14 displaces, can extrude the helical spring 16 by the limiting sheet 15, when the displacement seat 12 adjusts, loosen the locking shaft 14, can drive the locking block 17 to adhere to the guide rail 11 again under the auxiliary of the helical spring 16, thereby locking the position of the displacement seat 12;

[0038] When the transmission line bundle 9 needs to be rolled, pull the displacement seat 12, because the transmission line bundle 9 is arranged in the inside of the guide plate 13, when the displacement seat 12 displaces along the guide rail 11 upward, can make the transmission line bundle 9 wind on the winding shaft 8 by the adjustment of the guide plate 13 along the outside of the winding shaft 8, and there is a gap in each circle of the transmission line bundle 9, avoid the transmission line bundle 9 to wind, make subsequent transmission line bundle 9 can be used faster.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0040] It should be noted that, in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0041] 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 these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic pump having a wire body storage structure, characterized by: The application relates to a cylinder (1), a low-pressure cavity (2) is arranged in the middle of the cylinder (1), a piston (3) is slidably connected in the low-pressure cavity (2), a high-pressure cavity (5) is arranged at one end of the cylinder (1) away from the low-pressure cavity (2), the piston (3) is also slidably connected in the high-pressure cavity (5) at one end close to the high-pressure cavity (5), an oil port A (6) is arranged at one end of the cylinder (1) and communicates with the high-pressure cavity (5), a positioning disc (7) is fixedly connected to the top end of the cylinder (1), a winding shaft (8) is fixedly connected to the middle of the positioning disc (7), a transmission wire harness (9) of the cylinder (1) is also wound on the outside of the winding shaft (8), and a wire harness limiting assembly (10) is assembled to the edge of the positioning disc (7).

2. The hydraulic pump with wire body storage structure according to claim 1, characterized in that: The wire harness limiting assembly (10) comprises guide rails (11), displacement seats (12) and guide plates (13), the guide rails (11) are fixedly connected to the edge of the top end of the positioning disc (7), the displacement seats (12) are slidably connected to the outside of the guide rails (11), the guide plates (13) are fixedly connected to one end of the displacement seats (12), the transmission wire harness (9) also passes through the inside of the guide plates (13), the locking shaft rods (14) are fixedly connected to one end of the displacement seats (12) away from the guide plates (13), the limiting sheets (15) are fixedly connected to the outside of the locking shaft rods (14), and the helical springs (16) are fixedly connected between one side of the limiting sheets (15) and the displacement seats (12).

3. The hydraulic pump with wire body storage structure according to claim 1, characterized in that: A sealing groove is arranged on the outside of the low-pressure cavity (2), and a sealing ring (4) is fixedly connected in the sealing groove.

4. The hydraulic pump with wire body storage structure according to claim 1, characterized in that: The winding shaft (8) is a hollow structure, and a protective sleeve is fixedly connected to the outside of the winding shaft (8).

5. The hydraulic pump with wire body storage structure according to claim 2, wherein: The guide rails (11) are spiral-shaped, assembly holes are arranged in the middle of the displacement seats (12), and the displacement seats (12) are connected to the outside of the guide rails (11) through the assembly holes.

6. The hydraulic pump with wire body storage structure according to claim 2, wherein: A through hole is arranged at one end of the guide plates (13), the transmission wire harness (9) passes through the inside of the through hole, and a plurality of alloy balls are arranged at the connecting position of the through hole and the transmission wire harness (9).

7. The hydraulic pump with wire body storage structure according to claim 2, wherein: A locking block (17) is fixedly connected to one end of the locking shaft rod (14) close to the guide rail (11), and an anti-skid pattern is arranged at one end of the locking block (17) away from the limiting sheet (15).

Images