Hydraulic pump connecting device with pressure buffering structure

Abstract

The utility model discloses a hydraulic pump connecting device with a pressure buffer structure, which comprises a base, a connecting disc is mounted on the lower surface of the base, the hydraulic pump connecting device further comprises a body, the body is mounted on the upper surface of the base, and the buffer structure is mounted in the base. And the buffer structure can transmit pressure to the sliding plate through a connecting rod to offset the pressure, the buffer structure comprises a pressing plate, the upper surface of the pressing plate is connected with the connecting rod, the pressing plate is installed below the groove in the upper surface of the base, and the lower surface of the pressing plate is connected with a telescopic block. According to the hydraulic pump connecting device with the pressure buffering structure, the buffering structure is arranged, pressure borne by a body presses a pressing plate through a contact plate, so that the pressing plate is transmitted to a spring and an air bag through a sliding plate, the pressure is buffered, a limiting structure is further arranged, the body can be limited through a limiting ring, and the pressure buffering effect is improved. And the body is clamped in cooperation with the fixing ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pump technical field, concretely is a kind of hydraulic pump connecting device with pressure buffering structure. BACKGROUND

[0002] Hydraulic pump is driven by engine or motor, and mechanical energy is converted into hydraulic energy, and it is a kind of element of hydraulic system power element, and it is driven by engine or motor, and oil is sucked from hydraulic oil tank, and pressure oil is discharged to form, and it is sent to execution element, and hydraulic pump is divided into gear pump, plunger pump, vane pump and screw pump according to structure.

[0003] In prior art, the installation of hydraulic pump is generally carried out using special matching equipment, but these existing equipment are all connected in rigid mode, although hydraulic pump can be fixed at a position, but if hydraulic cylinder placed in large equipment does not have a relative buffering effect, it will have great influence on hydraulic pump itself. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hydraulic pump connecting device with pressure buffering structure to solve the problem that there is no relative buffering effect in the background art, which can cause great influence on hydraulic pump itself.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic pump connecting device with pressure buffering structure, including base, the lower surface of the base is installed with connecting disc, further including body, the body is installed on the upper surface of base, the inside of the base is installed with buffering structure, the buffering structure can pass through connecting rod and be transferred to slide plate to offset pressure.

[0006] Preferably, the buffering structure includes pressing plate, the upper surface of the pressing plate is connected with connecting rod, the pressing plate is installed below the upper surface groove of base, the lower surface of the pressing plate is connected with telescopic block, the upper end of the telescopic block is fixedly installed on the inner wall surface of the upper surface groove of base, the lower surface of the pressing plate is symmetrically rotatably installed with slide plate, the lower end of the slide plate is slidably installed in slide groove, the slide groove is installed on the inner wall lower surface of base, the other side upper end of the slide plate is slidably installed on the lower surface of telescopic block, and the side surface of the slide plate is fixedly installed with air bag, the other end of the air bag is fixedly installed on the inner wall side surface of base.

[0007] The above technical scheme makes the pressure pass through the pressing plate and drive the slide plate, so that the air bag is buffered by extrusion.

[0008] Preferably, the two slide plates are connected by spring.

[0009] Adopt above technical scheme, the spring can be stretched when the sliding plate moves.

[0010] Preferably, the sliding plate is provided in a V-shaped structure.

[0011] Adopt above technical scheme, the spring can be stretched when the sliding plate moves.

[0012] Preferably, the base is connected with a limiting structure, and the limiting structure can clamp the body by moving a fixing ring.

[0013] Adopt above technical scheme, the body can be fixed.

[0014] Preferably, the limiting structure comprises a contact plate, the contact plate is slidably installed on the upper surface of the base, the lower surface of the contact plate is fixedly connected with a connecting rod, the connecting rod slidably penetrates the lower surface of the groove of the base, the two side sliding blocks of the contact plate are fixedly connected with a pressing rod, the upper end of the pressing rod is fixedly connected with a limiting ring, the limiting ring is slidably installed on the upper surface of the base, and the side surface of the limiting ring is connected with a connecting block.

[0015] Adopt above technical scheme, the outer surface of the body is limited and fixed by the limiting ring and the fixing ring.

[0016] Preferably, the connecting block on the side surface of the fixing ring is connected by a bolt.

[0017] Adopt above technical scheme, the connection between the two connecting rings is more firm.

[0018] Compared with the prior art, the hydraulic pump connecting device with the pressure buffering structure has the advantages that:

[0019] 1. The hydraulic pump connecting device is provided with a buffering structure, when the body is subjected to pressure, the contact plate is pressed downward, the connecting rod is pressed downward, the pressing plate is pressed downward, the telescopic block is telescoped downward, and a part of the pressure is offset.

[0020] 2. Further, when the pressing plate is pressed downward, the upper end of the sliding plate is rotated, the lower end is slid in the sliding groove, the two sliding plates move in opposite directions, the spring is stretched, the air bag on the side surface of the sliding plate is squeezed, and the pressure is completely buffered.

[0021] 3. Further, the limiting structure is further provided, the body passes through the middle of the limiting ring, the lower surface of the body is installed on the upper surface of the contact plate, the two fixing rings are relatively slid on the upper surface of the base, the outer surface of the body is surrounded and clamped, and the connecting block is connected by a bolt. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the schematic diagram of the shaft side surface structure of the utility model;

[0023] Figure 2 It is the schematic diagram of the normal section structure of the utility model;

[0024] Figure 3 It is the schematic diagram of the shaft side top view surface structure of the utility model;

[0025] Figure 4 It is the schematic diagram of the shaft side section structure of the utility model.

[0026] In the figure: 1, body;2, base;3, connecting disc;4, pressing plate;5, telescopic block;6, sliding plate;7, spring;8, air bag;9, sliding groove;10, contact plate;11, connecting rod;12, fixed ring;13, connecting block;14, pressing rod;15, limiting ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a hydraulic pump connecting device with pressure buffering structure, including body 1, base 2, connecting disc 3, pressing plate 4, telescopic block 5, sliding plate 6, spring 7, air bag 8, sliding groove 9, contact plate 10, connecting rod 11, fixed ring 12, connecting block 13, pressing rod 14, limiting ring 15.

[0029] Embodiment 1: the hydraulic pump connecting device is provided with a limiting structure, and the body 1 can be limitedly installed by the limiting ring 15 and the fixed ring 12, specifically:

[0030] The lower surface of the base 2 is provided with the connecting disc 3, further comprising the body 1, the body 1 is installed on the upper surface of the base 2, the base 2 is connected with the limiting structure, the limiting structure can clamp the body 1 by moving the fixed ring 12, the limiting structure comprises the contact plate 10, the contact plate 10 is slidably installed on the upper surface groove of the base 2, the lower surface of the contact plate 10 is fixedly connected with the connecting rod 11, the connecting rod 11 is slidably penetrated through the groove lower surface of the base 2, the two side sliding blocks of the contact plate 10 are fixedly connected with the pressing rod 14, and the upper end of the pressing rod 14 is fixedly connected with the limiting ring 15, the fixed ring 12 is slidably installed on the upper surface of the base 2, the connecting block 13 on the side surface of the fixed ring 12 is connected by bolt;

[0031] The hydraulic pump connecting device in use, first of all the base 2 lower surface connecting disc 3 by bolt fixed, such as Figure 3 As shown, first of all the body 1 lower end through the limit ring 15, then make the body 1 lower end placed on the upper surface of the contact plate 10, contact plate 10 and the base 2 groove sliding connection, and the contact plate 10 sliding block connected with the pressure rod 14, and the upper end of the pressure rod 14 fixed connection limit ring 15, then the base 2 upper surface installed 2 fixed ring 12 relative movement, fixed ring 12 for the opposite half circular structure, then the fixed ring 12 will be the outer surface of the body 1 clamping, and the fixed ring 12 side surface is installed with connecting block 13, then the corresponding connecting block 13 through the bolt fixed connection, at this time, such as Figure 1 As shown.

[0032] Embodiment 2: the hydraulic pump connecting device is provided with buffer structure, can pass through the sliding plate 6 simultaneously to the spring 7 and the air bag 8 on, specific for:

[0033] The base 2 is internally installed with buffer structure, the buffer structure can pass through the connecting rod 11 to the sliding plate 6 on the pressure to offset the pressure, the buffer structure includes the pressing plate 4, the upper surface of the pressing plate 4 is connected with the connecting rod 11, the pressing plate 4 is installed on the lower surface of the groove of the base 2, the lower surface of the pressing plate 4 is connected with the telescopic block 5, the upper end of the telescopic block 5 is fixedly installed on the inner wall surface of the groove of the upper surface of the base 2, the lower surface of the pressing plate 4 is symmetrically rotatably installed with the sliding plate 6, the lower end of the sliding plate 6 is slidably installed in the sliding groove 9, the sliding groove 9 is installed on the inner wall lower surface of the base 2, the other side upper end of the sliding plate 6 is slidably installed on the lower surface of the telescopic block 5, and the side surface of the sliding plate 6 is fixedly installed with the air bag 8, the other end of the air bag 8 is fixedly installed on the inner wall side surface of the base 2, the two sliding plates 6 are connected through the spring 7, and the sliding plate 6 is provided in V-shaped structure;

[0034] When the body 1 is impacted by pressure, the contact plate 10 will be pressed downward, so that the contact plate 10 drives the limit ring 15 downward through the pressure rod 14, and the contact plate 10 will be pressed downward, so that the pressing plate 4 drives the telescopic block 5 connected with the lower surface to move downward, so that the telescopic rod of the telescopic block 5 is lengthened, further, the sliding plate 6 slidably connected with the lower surface of the telescopic block 5 is inserted in the telescopic block 5, the pressing plate 4 presses the sliding plate 6, so that the upper end of the sliding plate 6 connected with the pressing plate 4 rotates, the lower end of the sliding plate 6 slides in the sliding groove 9, the two sliding plates 6 slide in opposite directions, so that the upper end of the sliding plate 6 slides on the upper surface of the telescopic block 5, and the inner side of the two sliding plates 6 will stretch the spring 7, and the other side of the sliding plate 6 will extrude the air bag 8, so that the pressure is conducted on the stretched spring 7 and the extruded air bag 8 by the sliding plate 6, to avoid damage to the liquid pump by pressure impact.

[0035] Working principle: when using the hydraulic pump connecting device with pressure buffering structure, the buffering structure is arranged, the pressure can be transmitted to the pressing plate 4 through the connecting rod 11, the pressing plate 4 offsets the pressure through the sliding plate 6, and the limiting structure is further arranged, the body 1 is clamped through the cooperation of the moving fixing ring 12 and the limiting ring 15, and the practicability of the whole is improved.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydraulic pump connecting device provided with a pressure buffering structure, comprising a base (2), a connecting disc (3) is mounted on the lower surface of the base (2), characterized in that: Also include the body (1), the body (1) is installed on the upper surface of the base (2), the inside of the base (2) is installed with a buffer structure, the buffer structure can pass through the connecting rod (11) to the sliding plate (6) to offset the pressure.

2. The hydraulic pump connection device provided with a pressure buffer structure according to claim 1, characterized in that: The buffer structure includes a pressing plate (4), the upper surface of the pressing plate (4) is connected with the connecting rod (11), the pressing plate (4) is installed below the upper surface groove of the base (2), the lower surface of the pressing plate (4) is connected with the telescopic block (5), the upper end of the telescopic block (5) is fixedly installed on the inner wall surface of the upper surface groove of the base (2), the lower surface of the pressing plate (4) is symmetrically rotatably installed with the sliding plate (6), the lower end of the sliding plate (6) is slidably installed in the sliding groove (9), the sliding groove (9) is installed on the lower surface of the inner wall of the base (2), the other side of the upper end of the sliding plate (6) is slidably installed on the lower surface of the telescopic block (5), and the side surface of the sliding plate (6) is fixedly installed with the air bag (8), the other end of the air bag (8) is fixedly installed on the side surface of the inner wall of the base (2).

3. A hydraulic pump connection device provided with a pressure buffer structure according to claim 2, characterized in that: Two sliding plates (6) are connected by springs (7).

4. The hydraulic pump connection device provided with a pressure buffer structure according to claim 2, characterized in that: The sliding plate (6) is provided in a V-shaped structure.

5. The hydraulic pump connection device provided with a pressure buffer structure according to claim 2, characterized in that: The base (2) is connected with a limiting structure, the limiting structure can make the body (1) be clamped by moving the fixed ring (12).

6. A hydraulic pump connection device provided with a pressure buffer structure according to claim 5, characterized in that: The limiting structure includes a contact plate (10), the contact plate (10) is slidably installed on the upper surface groove of the base (2), the lower surface of the contact plate (10) is fixedly connected with the connecting rod (11), the connecting rod (11) is slidably penetrated through the lower surface of the groove of the base (2), the two side sliding blocks of the contact plate (10) are fixedly connected with the pressing rod (14), and the upper end of the pressing rod (14) is fixedly connected with the limiting ring (15), the fixed ring (12) is slidably installed on the upper surface of the base (2), and the side surface of the fixed ring (12) is connected with the connecting block (13).

7. A hydraulic pump connection device provided with a pressure buffer structure according to claim 6, characterized in that: The connecting block (13) on the side surface of the fixed ring (12) is connected by bolts.

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