Multi-way valve body wire signal communication test bench

Abstract

The utility model relates to the technical field of multi-way valve testing, and discloses a multi-way valve body wire signal communication testboard which comprises a communication testboard base, a display panel and a main switch are arranged on an inclined portion of the front side of the communication testboard base, and a top plate is arranged at the top end of the communication testboard base. A hasp assembly is arranged between the communication testboard base and the top plate. The multi-way valve body wire signal communication testboard is provided with the two same valve body fixing assemblies, two multi-way valve bodies can be fixed, 24-way communication testing can be carried out at a time, connection can be rapidly carried out through the design of the top plate upper pressing assembly, the pressing plate and the circuit board interface module, the testing efficiency is improved, and the testing cost is reduced. Through the cooperation of the pressing rod on the lower portion of the lower pressing plate and the limiting column on the upper portion of the bottom plate, it can be ensured that the communication circuit board does not shift in the testing process, the stability is improved, the communication circuit board is prevented from being damaged, the testing efficiency is improved, and the testing loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to multiway valve test technical field, concretely is a kind of multiway valve body bus signal communication test bench. BACKGROUND

[0002] Multiway valve is a kind of key control element widely used in hydraulic or pneumatic system. It can combine multiple single-function valves together, integrated in a valve body, through an operating handle, solenoid valve or other control mode, realize the centralized control to multiple different oil paths (or gas paths), to control multiple execution elements, such as hydraulic cylinder, hydraulic motor, etc., to complete complex action cooperatively.

[0003] For example, in the field of engineering machinery, like the action control of excavator's working device, multiway valve is needed to accurately allocate hydraulic oil, so that operating arm, boom, bucket can flexibly operate according to demand; In agricultural machinery, multiway valve is also used to control the hydraulic drive mechanism of combine harvester header, grain bin and other parts. It has the advantages of compact structure, easy installation, efficient control, etc., can greatly simplify system pipeline connection, improve system reliability and work efficiency, is the indispensable core component of modern fluid power control system, in the process of multiway valve production, bus signal communication circuit board needs to be tested to ensure that it can control multiway valve.

[0004] The existing bus signal communication circuit board often needs to be tested by manual detection pen during testing, not only the operation process is tedious, and the test time is long, since the circuit board needs to be pressed during manual operation, often the bus signal communication circuit board is damaged due to improper force and other human factors, and then the adverse condition of circuit board damage occurs. SUMMARY

[0005] The utility model solves the technical problem that a kind of multiway valve body bus signal communication test bench is provided, it can effectively solve the problem in prior art.

[0006] The utility model discloses a technical scheme adopted is: a kind of multiway valve body bus signal communication test platform, including communication test platform base, the inclined portion of the front side of communication test platform base is provided with display panel and master switch, the top of communication test platform base is provided with top plate, buckle assembly is arranged between communication test platform base and top plate, the front side of the top end of top plate is provided with test switch, the left side of the top end of top plate is provided with valve body fixing assembly, the inboard of valve body fixing assembly is provided with multiway valve body, the right side of the top end of top plate is provided with support frame, the front side of support frame is provided with down-pressing component, down-pressing component is movably connected with down-pressing plate in lower part, circuit board interface module is fixedly installed on the right side of down-pressing plate lower part, compression rod is fixedly installed on the left side of down-pressing plate lower part, the bottom directly below down-pressing plate is provided with bottom plate, the right side of the top end of bottom plate is fixedly installed with limit post, the top end of bottom plate is provided with communication circuit board in the inboard of multiple limit posts.

[0007] Preferably, the valve body fixing assembly is provided with two groups of the same, and the two groups of valve body fixing assemblies are symmetrically distributed about the horizontal center line of the top plate, and the multiway valve body and the circuit board interface module are electrically connected.

[0008] Through the above technical scheme, in the process of using the test platform, two valve body fixing assemblies can fix two multiway valve bodies at a time, and can also test two multiway valve bodies at a time, thereby greatly improving the test efficiency.

[0009] Preferably, the buckle assembly is provided with four of the same, and the four buckle assemblies are symmetrically distributed about the vertical center line of the top plate.

[0010] Through the above technical scheme, through the design of the buckle assembly, the installation and disassembly of the top plate and the communication test platform base are facilitated, which is not only simple to disassemble and assemble, but also facilitates maintenance.

[0011] Preferably, the limit posts are provided with multiple of the same, the limit posts are made of rubber material, and the compression rods are also provided with multiple of the same, the upper part of the compression rod is made of acrylic material, and the lower part is made of rubber material.

[0012] Through the above technical scheme, through the design of the limit posts, multiple identical limit posts can limit the communication circuit board, ensure that the communication circuit board is between multiple limit posts, reduce errors, and also ensure that the circuit board interface module and the communication circuit board are accurately connected, and through the design of multiple compression rods, ensure that the communication circuit board does not displace during testing.

[0013] Preferably, the valve body fixing assembly comprises a lower fixing plate, an ear seat, a rotating rod, a threaded column, a locking nut, an upper fixing plate and a clamping groove, the lower fixing plate is fixedly installed at the top end of the top plate through bolts, the upper side of the lower fixing plate is fixedly installed with the ear seat through bolts, the rotating rod is rotatably installed in the ear seat, the threaded column is fixedly installed at the end away from the ear seat of the rotating rod, the locking nut is threadedly installed on the outer side of the threaded column, and the upper fixing plate is arranged above the lower fixing plate, and the clamping grooves are formed in the front and rear sides of the upper fixing plate.

[0014] Preferably, the ear seat, the rotating rod, the threaded column and the locking nut are provided with four groups, the four groups of the ear seat, the rotating rod, the threaded column and the locking nut are symmetrically distributed about the center line of the lower fixing plate, and the diameter of the rotating rod is smaller than the width of the clamping groove.

[0015] Preferably, the locking nut is located on the upper side of the upper fixing plate, the multi-way valve body is located between the lower fixing plate and the upper fixing plate, and the recess matched with the multi-way valve body is formed in the top end of the lower fixing plate.

[0016] Through the above technical scheme, the valve body fixing assembly is designed, the valve body fixing assembly is convenient to replace, in use, a worker twists the locking nut until the locking nut is completely separated from the threaded column, the rotating rod is pried outward, the upper fixing plate is taken off from above the lower fixing plate, and the multi-way valve body in the valve body fixing assembly can be replaced, and meanwhile, through the design of the valve body fixing assembly, it is ensured that the multi-way valve body does not displace and loosen in the testing process.

[0017] Compared with the prior art, the utility model provides a kind of multi-way valve body bus signal communication test platform, with following beneficial effects: the multi-way valve body bus signal communication test platform is provided with two identical valve body fixing assemblies, two multi-way valve bodies can be fixed, 24-way communication test can be carried out at a time, through the design of top plate upper portion down pressure assembly, down pressure plate and circuit board interface module, it can be quickly connected, and test efficiency is accelerated, through the cooperation of the pressing rod in the lower part of down pressure plate and the limiting column on the upper part of bottom plate, it can be ensured that communication circuit board test does not deviate in the testing process, stability is improved, communication circuit board is also avoided to be damaged, test efficiency is improved, and test loss is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 for the utility model three-dimensional structure schematic Figure 1 ;

[0019] Figure 2 for the utility model three-dimensional structure schematic Figure 2 ;

[0020] Figure 3 for the utility model down pressure plate installation structure schematic diagram

[0021] Figure 4 This is a schematic diagram of the disassembled structure of the lower pressure plate of this utility model;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the valve body fixing assembly of this utility model. Figure 1 ;

[0023] Figure 6 This is a schematic diagram of the three-dimensional structure of the valve body fixing assembly of this utility model. Figure 2 .

[0024] The components include: 1. Communication test bench base; 2. Display panel; 3. Main switch; 4. Top plate; 5. Test switch; 6. Buckle assembly; 7. Valve body fixing assembly; 701. Lower fixing plate; 702. Ear seat; 703. Rotating rod; 704. Threaded post; 705. Locking nut; 706. Upper fixing plate; 707. Snap-fit ​​groove; 8. Multi-way valve body; 10. Support frame; 11. Lower pressing assembly; 12. Lower pressing plate; 13. Circuit board interface module; 14. Pressing rod; 15. Base plate; 16. Limiting post; 17. Communication circuit board. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: As Figures 1-6 As shown, this utility model provides a multi-channel valve body bus signal communication test bench, including a communication test bench base 1. A display panel 2 and a main switch 3 are arranged on the inclined portion at the front of the communication test bench base 1. A top plate 4 is arranged at the top of the communication test bench base 1. A latching assembly 6 is arranged between the communication test bench base 1 and the top plate 4. A test switch 5 is arranged on the front side of the top of the top of the top plate 4. A valve body fixing assembly 7 is arranged on the left side of the top of the top of the top plate 4. A multi-channel valve body 8 is arranged inside the valve body fixing assembly 7. A support frame 10 is provided on the right side of the top of the 4. A pressing component 11 is provided on the front side of the support frame 10. A pressing plate 12 is movably connected to the lower part of the pressing component 11. A circuit board interface module 13 is fixedly installed on the right side of the lower part of the pressing plate 12. A clamping rod 14 is fixedly installed on the left side of the lower part of the pressing plate 12. A base plate 15 is provided directly below the pressing plate 12. A limit post 16 is fixedly installed on the right side of the top of the base plate 15. A communication circuit board 17 is provided on the top of the base plate 15 inside the multiple limit posts 16.

[0027] Specifically, the valve body fixing assembly 7 is provided with two groups of the same, and the two groups of valve body fixing assemblies 7 are symmetrically distributed about the horizontal center line of the top plate 4. The multi-way valve body 8 is electrically connected with the circuit board interface module 13. The advantage is that during the use of the test bench, the two groups of valve body fixing assemblies 7 can fix two multi-way valve bodies 8 at the same time, and at the same time, two multi-way valve bodies 8 can be tested at the same time, which greatly speeds up the test efficiency.

[0028] Specifically, the buckle assembly 6 is provided with four of the same, and the four buckle assemblies 6 are symmetrically distributed about the vertical center line of the top plate 4. The advantage is that through the design of the buckle assembly 6, it is convenient to install and disassemble the top plate 4 and the communication test bench base 1. It is not only simple to disassemble, but also convenient to maintain.

[0029] Specifically, the limiting column 16 is provided with a plurality of the same, and the limiting column 16 is made of rubber material. The pressing rod 14 is also provided with a plurality of the same. The upper part of the pressing rod 14 is made of acrylic material, and the lower part is made of rubber material. The advantage is that through the design of the limiting column 16, a plurality of the same limiting column 16 can limit the communication circuit board 17, ensure that the communication circuit board 17 is between a plurality of limiting columns 16, reduce errors, and also ensure that the circuit board interface module 13 and the communication circuit board 17 are accurately connected. Through the design of a plurality of pressing rods 14, it can ensure that the communication circuit board 17 will not be displaced during testing.

[0030] Embodiment two: as shown in the following table, as an improvement to the previous embodiment. Figures 3-6

[0031] ​Specifically, the valve body fixing assembly 7 comprises a lower fixing plate 701, an ear seat 702, a rotating rod 703, a threaded column 704, a locking nut 705, an upper fixing plate 706 and a clamping groove 707. The lower fixing plate 701 is fixedly installed at the top end of the top plate 4 by bolts. The upper side of the lower fixing plate 701 is fixedly installed with the ear seat 702 by bolts. The ear seat 702 is rotatably installed with the rotating rod 703. The threaded column 704 is fixedly installed at the end of the rotating rod 703 away from the ear seat 702. The threaded column 704 is externally threadedly installed with the locking nut 705. The upper fixing plate 706 is arranged above the lower fixing plate 701. The clamping grooves 707 are arranged on the front and rear sides of the upper fixing plate 706. The ear seat 702, the rotating rod 703, the threaded column 704 and the locking nut 705 are arranged in four groups. The four groups of the ear seat 702, the rotating rod 703, the threaded column 704 and the locking nut 705 are symmetrically distributed about the center line of the lower fixing plate 701. The diameter of the rotating rod 703 is smaller than the width of the clamping groove 707. The locking nut 705 is located on the upper side of the upper fixing plate 706. The multi-way valve body 8 is located between the lower fixing plate 701 and the upper fixing plate 706. The lower fixing plate 701 is provided with a recessed portion adapted to the multi-way valve body 8 at the top end. The valve body fixing assembly 7 is convenient to replace. When in use, the worker twists the locking nut 705 until the locking nut 705 is completely separated from the threaded column 704. The rotating rod 703 is outwardly bent. The upper fixing plate 706 is removed from above the lower fixing plate 701. The multi-way valve body 8 in the valve body fixing assembly 7 can be replaced. The design of the valve body fixing assembly 7 ensures that the multi-way valve body 8 does not displace or loosen during testing.

[0032] Working principle: In use, the worker uses the pressing assembly 11 to lift the pressing plate 12 to the maximum position, and then places the communication circuit board 17 to be tested inside the plurality of limiting columns 16 between the pressing plate 12 and the bottom plate 15. After the communication circuit board 17 is placed, the pressing assembly 11 is used to press the pressing plate 12 until the circuit board interface module 13 is in complete contact with the contacts of the communication circuit board 17. After the compression rod 14 compresses the communication circuit board 17, the test switch 5 on the communication test bench base 1 is operated for 24-way testing until the indicator lights on the communication circuit board 17 light up in turn. When the multi-way valve body 8 needs to be replaced, the locking nut 705 is twisted until the locking nut 705 is completely separated from the threaded column 704. The rotating rod 703 is outwardly bent. The upper fixing plate 706 is removed from above the lower fixing plate 701. The multi-way valve body 8 in the valve body fixing assembly 7 can be replaced. The overall operation is simple and convenient to maintain.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-way valve body bus signal communication test bench, comprising a communication test bench base (1), characterized in that: The inclined part of the front side of the communication test bench base (1) is provided with a display panel (2) and a main switch (3), the top end of the communication test bench base (1) is provided with a top plate (4), the communication test bench base (1) and the top plate (4) are provided with a buckle assembly (6), the front side of the top end of the top plate (4) is provided with a test switch (5), the left side of the top end of the top plate (4) is provided with a valve body fixing assembly (7), the inner side of the valve body fixing assembly (7) is provided with a multi-way valve body (8), the right side of the top end of the top plate (4) is provided with a support frame (10), the front side of the support frame (10) is provided with a pressing assembly (11), the lower part of the pressing assembly (11) is movably connected with a pressing plate (12), the right side of the lower part of the pressing plate (12) is fixedly installed with a circuit board interface module (13), the left side of the lower part of the pressing plate (12) is fixedly installed with a pressing rod (14), the bottom of the pressing plate (12) is provided with a bottom plate (15), the right side of the top end of the bottom plate (15) is fixedly installed with a limiting column (16), the top end of the bottom plate (15) is provided with a communication circuit board (17) inside the plurality of limiting columns (16).

2. The test bench of claim 1, wherein: The valve body fixing assembly (7) is provided with two groups, and the two groups of valve body fixing assemblies (7) are symmetrically distributed about the horizontal center line of the top plate (4), and the multi-way valve body (8) is electrically connected with the circuit board interface module (13).

3. The test bench of claim 1, wherein: The buckle assembly (6) is provided with four groups, and the four groups of buckle assemblies (6) are symmetrically distributed about the vertical center line of the top plate (4).

4. The test bench of claim 1, wherein: The limiting column (16) is provided with a plurality of limiting columns (16), the limiting column (16) is made of rubber material, and the pressing rod (14) is also provided with a plurality of pressing rods (14), the upper part of the pressing rod (14) is made of acrylic material, and the lower part is made of rubber material.

5. The test bench of claim 1, wherein: The valve body fixing assembly (7) comprises a lower fixed plate (701), an ear seat (702), a rotating rod (703), a threaded column (704), a locking nut (705), an upper fixed plate (706) and a clamping groove (707), the lower fixed plate (701) is fixedly installed at the top end of the top plate (4) through bolts, the upper side of the lower fixed plate (701) is fixedly installed with an ear seat (702) through bolts, the ear seat (702) is rotatably installed with a rotating rod (703), one end of the rotating rod (703) away from the ear seat (702) is fixedly installed with a threaded column (704), the outer side of the threaded column (704) is threadedly installed with a locking nut (705), the upper side of the lower fixed plate (701) is provided with an upper fixed plate (706), and the front and rear sides of the upper fixed plate (706) are provided with clamping grooves (707).

6. The test bench of claim 5, wherein: The ear seat (702), the rotating rod (703), the threaded column (704) and the locking nut (705) are provided with four groups, and the four groups of ear seats (702), rotating rods (703), threaded columns (704) and locking nuts (705) are symmetrically distributed about the center line of the lower fixed plate (701), and the diameter of the rotating rod (703) is smaller than the width of the clamping groove (707).

7. The test bench of claim 5, wherein: The locking nut (705) is located on the upper side of the upper fixed plate (706), the multi-way valve body (8) is located between the lower fixed plate (701) and the upper fixed plate (706), and the lower fixed plate (701) is provided with a recessed portion at the top end, which is matched with the multi-way valve body (8).

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