A hydraulic valve installation calibration jig

Abstract

The utility model discloses a kind of hydraulic valve installation calibration jigs, it is related to hydraulic valve installation calibration jig technical field, including base, the top of base is equipped with calibration jig main body, and the surface of calibration jig main body is provided with a group of access pipe, the top of each access pipe is screw thread connection with top cover, and the top of each top cover is fixedly connected with fixed block. The utility model makes the top cover installation to the surface of access pipe by screw thread connection mode, then the preliminary cleaning of access pipe can be realized by first sponge, then moving downward movable rod, the storage of first sponge is realized and second sponge is exposed, then the top cover is removed from the surface of access pipe, to be cleaned again by second sponge, then the cooperation of first sponge and second sponge can be used, the cleaning inside access pipe is completed, the service life of jig is convenient to extend, the installation quality of hydraulic valve is ensured, and it is helpful to better calibrate it.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve installation calibration fixture technical field, concretely is a kind of hydraulic valve installation calibration fixture. BACKGROUND

[0002] Hydraulic valve is a kind of device that can control the movement and working state of execution element (such as hydraulic cylinder, hydraulic motor etc.) by adjusting or changing the flow direction, pressure, flow rate etc. of hydraulic fluid in hydraulic system, it is the key control element in hydraulic system, ensure that hydraulic system can be normal according to design requirement, its working principle is to use the relative movement of valve core in valve body to control the on-off and opening size of valve port, to realize the control of pressure, flow and direction.

[0003] In industrial production, the application of hydraulic system is widespread, and the installation and calibration of hydraulic valve are crucial, with the continuous development of industrial technology, the precision and efficiency requirement of hydraulic valve installation and calibration is higher and higher, so hydraulic valve installation calibration fixture is used to ensure the stable operation of hydraulic system, improve production efficiency and product quality.

[0004] At present, when hydraulic valve installation calibration fixture is used, it is usually necessary to first prevent hydraulic valve installation calibration fixture on workbench, then install hydraulic valve on calibration main body, and finally calibrate by connecting external test equipment and calibration device.

[0005] But in the use process of hydraulic valve installation calibration fixture, due to long time use, it is easy to cause the residual dirt and oil in the inlet, and the existing cleaning cannot realize the cleaning of it, which can easily affect the installation quality of hydraulic valve and reduce the calibration accuracy. INVENTION CONTENTS

[0006] Therefore, the utility model aims at providing a kind of hydraulic valve installation calibration fixture to solve the technical problem that in the use process of hydraulic valve installation calibration fixture, due to long time use, it is easy to cause the residual dirt and oil in the inlet, and the existing cleaning cannot realize the cleaning of it, which can easily affect the installation quality of hydraulic valve and reduce the calibration accuracy.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A hydraulic valve installation calibration fixture, including the base, the top of base is equipped with calibration fixture main part, and the surface of calibration fixture main part is provided with a group of access pipe, the top of each access pipe is screw thread connection with the top cover, the top of each top cover is fixedly connected with the fixed block, the surface of each fixed block is provided with the first sponge, and the surface of first sponge sprays the cleaning agent, each fixed block is movably connected with the movable rod in, and the surface of movable rod is fixedly connected with the movable cover that is in accord with first sponge, the bottom of each fixed block is provided with the groove, the surface of each movable rod is provided with the second sponge that is in accord with the groove, and the sponge of second sponge sprays the clean water, and the bottom of each movable rod is fixedly connected with the fixed plate that is in accord with access pipe.

[0008] By the above technical scheme, when the top cover is connected on the surface of the access pipe by screw thread, the first sponge can rotate in the access pipe, so that the inner wall of the access pipe is cleaned by the first sponge, and the dirt and grease on the surface are removed, and when the installation of the top cover is completed, the movable rod and the movable cover can be driven to move, so that the first sponge is squeezed by the movable cover to be stored, and when the movable rod moves downward, the second sponge is exposed from the groove to expand and fit the access pipe, so that when the top cover is removed from the surface of the access pipe, the second sponge can rotate in the access pipe again to clean the access pipe again, and the remaining cleaning agent and other impurities in the access pipe can be cleaned, and the use life of the fixture is prolonged, the installation quality of the hydraulic valve is ensured, the calibration accuracy is improved, and the calibration is better.

[0009] The utility model further sets up that, each top cover is provided with a group of fixed grooves, and the surface of each movable rod is fixedly connected with two groups of elastic blocks that are in accord with the fixed groove.

[0010] By the above technical scheme, when the movable rod is installed on the top of the access pipe through the top cover, the fixed groove and one group of elastic blocks are in accord with each other at this time, so that the movable rod cannot move up and down on the top of the top cover by the friction between the fixed groove and the elastic block, and the inner wall of the access pipe can be cleaned by the first sponge, and then the movable rod is pressed downward, so that one group of elastic blocks is squeezed out of the fixed groove, and the movable rod moves downward until the other group of elastic blocks enters the fixed groove, so that the first sponge can be stored and the second sponge is exposed from the groove to clean the inside of the access pipe again.

[0011] The present invention is further configured such that each of the fixed blocks has a set of slots on its surface, and the movable cover moves on the surface of the fixed block through the slots.

[0012] By adopting the above technical solution, the design of the slot allows the movable block to drive the movable cover to move synchronously, thereby facilitating better storage of the first sponge.

[0013] The present invention is further configured such that each of the four bottom corners of the base is fixedly connected to a support leg, and each of the two sides of the base is fixedly connected to a connector, and the surface of the connector is provided with a set of positioning holes.

[0014] By adopting the above technical solution, the design of the support legs allows the fixture to be placed stably on the workbench. At the same time, the design of the connectors and positioning holes allows the fixture to be fixed on the workbench by installing fasteners such as bolts in the positioning holes, thus preventing the fixture from moving during use and affecting the performance.

[0015] The present invention is further configured such that the top of each of the first sponges is configured as a sloping structure, the bottom of each of the movable covers is configured as a sloping structure, and the sloping structure at the top of the first sponge matches the sloping structure at the bottom of the movable cover.

[0016] By adopting the above technical solution, when the movable rod drives the movable cover to move downward, the first sponge can be stored in the movable cover by the inclined structure at the bottom of the movable cover and the inclined structure at the top of the first sponge, so that it can be better stored in the movable cover. This avoids the impurities adhering to the surface of the first sponge from re-adhering to the inlet tube during the movement of the first sponge, thus affecting the cleaning effect.

[0017] The present invention is further provided that each of the legs and the connectors has a rubber pad at its bottom.

[0018] By adopting the above technical solution, the friction between the outriggers, connectors and contact surfaces can be increased, thereby increasing the stability of the base and preventing the device from sliding on the workbench and affecting the calibration of the hydraulic valve.

[0019] The present invention is further provided that a rubber layer is provided between each of the fixing plates and the corresponding fixing blocks.

[0020] By adopting the above technical solution, after the second sponge is placed into the groove, the sealing of the groove can be increased by fixing plate and rubber layer to avoid contamination of the second sponge and affect the cleanliness of the access pipe.

[0021] In summary, the present invention has the following main advantages:

[0022] The utility model discloses a top cap is installed to the surface of access pipe through the mode of screw connection, can realize the preliminary cleaning of access pipe through first sponge, then moves the movable rod downward, realizes the storage of first sponge and the exposure of second sponge, then takes down the top cap from the surface of access pipe, thereby carries out cleaning again through second sponge, can use first sponge and second sponge in cooperation, complete the cleaning of the inside of access pipe, convenient for prolonging the service life of fixture, ensure the installation quality of hydraulic valve, improve the calibration accuracy, help thereby better calibrating. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the three-dimensional structure schematic diagram of the utility model Figure 1 from another perspective;

[0025] Figure 3 It is the cleaning structure section view of the utility model;

[0026] Figure 4 It is the cleaning structure detail view of the utility model;

[0027] Figure 5 It is the three-dimensional structure schematic diagram of the utility model Figure 4 from another perspective;

[0028] In the drawing: 1, base, 2, calibration fixture main part, 3, access pipe, 4, top cap, 5, fixed block, 6, first sponge, 7, movable rod, 8, movable cover, 9, clamping groove, 10, recess, 11, fixed plate, 12, second sponge, 13, fixed groove, 14, elastic block, 15, support leg, 16, connecting piece, 17, positioning hole, 18, rubber pad, 19, rubber layer. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.

[0030] The embodiments of the utility model will be described below according to the overall structure.

[0031] A kind of hydraulic valve installation calibration fixture, as shown in Figures 1-5 shown, including base 1, the top of base 1 is equipped with calibration fixture main part 2, and the surface of calibration fixture main part 2 is provided with a group of access pipe 3, then can be connected respectively external test equipment and calibration device through a group of access pipe 3, to facilitate the use of hydraulic valve installation calibration fixture.

[0032] Meanwhile, the base 1 is fixedly connected with supporting legs 15 at the bottom corners, so that the base 1 and the jig can be placed stably on the workbench, and the base 1 is fixedly connected with connecting pieces 16 at both sides, and a group of positioning holes 17 are arranged on the surface of the connecting pieces 16, so that bolts or other fasteners can be installed in the positioning holes 17, so that the base 1 can be fixed on the workbench, preventing the jig from moving during use and affecting the use effect, wherein rubber pads 18 are arranged at the bottom of each supporting leg 15 and connecting piece 16, which can increase the friction between the supporting leg 15 and the connecting piece 16 and the workbench, thereby improving the stability of the base 1.

[0033] Then, a top cover 4 is threadedly connected to the top of each access pipe 3, which facilitates quick installation and removal of the top cover 4, a fixed block 5 is fixedly connected to the top of each top cover 4, a first sponge 6 is arranged on the surface of each fixed block 5, and a cleaning agent is sprayed on the surface of the first sponge 6, so that when the top cover 4 is installed on the surface of the access pipe 3, the first sponge 6 can move in the access pipe 3 and contact the inner wall of the access pipe 3, thereby achieving preliminary cleaning of the inside of the access pipe 3, an activity rod 7 is movably connected in each fixed block 5, and an activity cover 8 that matches the first sponge 6 is fixedly connected to the surface of the activity rod 7, so that when the activity rod 7 moves downward, the first sponge 6 can be squeezed and stored through the activity cover 8, avoiding the repeated sticking of dirt on the surface of the first sponge 6 to the inner wall of the access pipe 3, thereby affecting the cleaning effect of the access pipe 3, a groove 10 is arranged at the bottom of each fixed block 5, a second sponge 12 that matches the groove 10 is arranged on the surface of each activity rod 7, and clean water is sprayed on the sponge of the second sponge 12, so that when the activity rod 7 moves downward, the second sponge 12 is exposed from the groove 10 and can expand to contact the inner wall of the access pipe 3, so that the top cover 4 can be removed and cleaned again by the second sponge 12, a fixed plate 11 that matches the fixed block 5 is fixedly connected to the bottom of each activity rod 7, and a rubber layer 19 is arranged between each fixed plate 11 and the corresponding fixed block 5, so that the groove 10 can be sealed by the fixed plate 11, thereby protecting the second sponge 12 from being contaminated when it enters the access pipe 3 again, affecting the later cleaning, and the fixed plate 11 can receive the dirt falling during cleaning of the second sponge 12, avoiding the residual dirt in the access pipe 3 affecting the cleaning effect.

[0034] Wherein a set of fixed slots 13 is arranged in each top cover 4, the surface of each movable rod 7 is fixedly connected with two sets of elastic blocks 14 matched with the fixed slots 13, so that when the top cover 4 is installed on the access pipe 3, the fixed slots 13 are matched with a set of elastic blocks 14, thereby the movable rod 7 cannot move downward through the friction between them, so when the movable rod 7 needs to be driven to move, the movable rod 7 can be pressed to make the elastic blocks 14 separate from the fixed slots 13, so that the movable rod 7 can move under the extrusion, until the other set of elastic blocks 14 coincides with the fixed slots 13, thereby the increased friction between them reflects the user, the second sponge 12 is exposed, then the top cover 4 can be removed, realizing the cleaning of the second sponge 12 on the inner wall of the access pipe 3, and a set of clamping grooves 9 is arranged on the surface of each fixed block 5, and the movable cover 8 moves on the surface of the fixed block 5 through the clamping grooves 9, so that the movable cover 8 can move synchronously during the movement of the movable rod 7, avoiding limiting the movement of the movable cover 8.

[0035] Therefore, during use, the top cover 4 can be first connected on the surface of the access pipe 3 through threads, so that the first sponge 6 can rotate inside the access pipe 3, thereby the first sponge 6 can realize the preliminary cleaning of the inner wall of the access pipe 3, facilitating the removal of dirt and oil on the surface, and after the installation of the top cover 4 is completed, the movable rod 7 and the movable cover 8 can be driven to move, thereby the first sponge 6 is extruded by the movable cover 8 to realize storage, and when the movable rod 7 moves downward, the second sponge 12 is exposed in the groove 10 to expand and match the access pipe 3, so that when the top cover 4 is removed from the surface of the access pipe 3, the second sponge 12 can be driven to rotate inside the access pipe 3 again, realizing the re-cleaning of the access pipe 3, thereby the remaining cleaning agent and other impurities inside the access pipe 3 can be cleaned, and the cooperation of the first sponge 6 and the second sponge 12 can complete the cleaning of the inside of the access pipe 3, facilitating the extension of the service life of the jig, ensuring the installation quality of the hydraulic valve, improving the calibration accuracy, and helping to better calibrate the hydraulic valve.

[0036] Further, the top of each first sponge 6 is provided with a slope structure, the bottom of each movable cover 8 is provided with a slope structure, and the slope structure at the top of the first sponge 6 matches the slope structure at the bottom of the movable cover 8, so that the first sponge 6 can be stored in the movable cover 8 through the slope structure at the bottom of the movable cover 8 and the slope structure at the top of the first sponge 6, which can better store the first sponge 6 in the movable cover 8, avoiding that the impurities adhered to the surface of the first sponge 6 during movement re-adhere to the access pipe 3, affecting the cleaning effect.

[0037] The calibration jig body 2 mentioned in the embodiment is a known technology to those skilled in the art.

[0038] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of no creative contribution to the embodiment according to the need after reading the specification without departing from the principle and the purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. A hydraulic valve installation calibration jig, comprising a base (1), a calibration jig body (2) is mounted on the top of the base (1), and a group of access pipes (3) are arranged on the surface of the calibration jig body (2), characterized in that: The top of each access pipe (3) is threadedly connected with a top cover (4), the inner top of each top cover (4) is fixedly connected with a fixed block (5), the surface of each fixed block (5) is provided with a first sponge (6), the surface of the first sponge (6) is sprayed with a cleaning agent, each fixed block (5) is movably connected with a movable rod (7), the surface of the movable rod (7) is fixedly connected with a movable cover (8) matched with the first sponge (6), the bottom of each fixed block (5) is provided with a groove (10), the surface of each movable rod (7) is provided with a second sponge (12) matched with the groove (10), the sponge of the second sponge (12) is sprayed with clean water, and the bottom of each movable rod (7) is fixedly connected with a fixed plate (11) matched with the fixed block (5).

2. The hydraulic valve mounting calibration fixture of claim 1, wherein: A group of fixed grooves (13) are arranged in each top cover (4), and the surface of each movable rod (7) is fixedly connected with two groups of elastic blocks (14) matched with the fixed grooves (13).

3. The hydraulic valve mounting calibration fixture of claim 1, wherein: The surface of each fixed block (5) is provided with a group of clamping grooves (9), and the movable cover (8) is movable on the surface of the fixed block (5) through the clamping grooves (9).

4. The hydraulic valve mounting calibration fixture of claim 1, wherein: The bottom of the base (1) is fixedly connected with supporting legs (15) at four corners, and the two sides of the base (1) are fixedly connected with connecting pieces (16), and the surface of the connecting piece (16) is provided with a group of positioning holes (17).

5. The hydraulic valve mounting calibration fixture of claim 1, wherein: The top of each first sponge (6) is provided with a slope structure, the bottom of each movable cover (8) is provided with a slope structure, and the slope structure at the top of the first sponge (6) is matched with the slope structure at the bottom of the movable cover (8).

6. The hydraulic valve mounting calibration fixture of claim 4, wherein: The bottom of each supporting leg (15) and the connecting piece (16) is provided with a rubber pad (18).

7. The hydraulic valve mounting calibration fixture of claim 1, wherein: A rubber layer (19) is arranged between each fixed plate (11) and the corresponding fixed block (5).

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