Liquid cooling pump body air tightness detection tool

Abstract

The application relates to the technical field of pump body detection tooling, and discloses a liquid-cooled pump body air-tightness detection tooling, which comprises a supporting rod, the supporting rod is arranged in the inside of a supporting base, a second mounting hole is arranged at the top end of the supporting rod and is fixedly sleeved with the outer surface of a bolt, and a supporting plate is arranged in the middle of the inner cavity of the supporting base; a first connecting hole is arranged at one side of an adapter rod and is connected with a fifth connecting hole on a clamping jaw through a connecting column pin, and the top end of the clamping jaw is in contact with the bottom end of a fixing column. The liquid-cooled pump body air-tightness detection tooling is simple in operation and convenient in disassembly and assembly, and can effectively reduce the control difficulty and manufacturing cost of the tooling.

Description

TECHNICAL FIELD

[0001] The application relates to a pump body detection tooling technical field, in particular to a liquid-cooled pump body air tightness detection tooling. BACKGROUND

[0002] The pump is a kind of mechanical equipment for conveying fluid or pressurizing fluid, and can only convey the flow of medium fluid, and cannot convey solid materials, so the air tightness is one of the key characteristics of the pump, which has a great influence on the reliability and stability of the product in use, and then the air tightness detection is one of the main detection directions in the detection process of the pump body.

[0003] Among them, the air tightness detection of the pump body is mostly by pressure decay method: first, use the tool to completely block the inlet and outlet of the pump head, and lead out a group of air pipes to communicate with the pressure decay device on the detection table, then reduce the gas pressure in it to a certain value, and then the pressure decay rate in the pump body can reflect the air tightness of the pump body.

[0004] But the existing pump body air tightness detection tooling is composed of plugs and fasteners, and is connected with the pump head by bolts, which leads to the cumbersome installation steps of the tooling, and the low efficiency of the air tightness detection of the pump body, and when detecting different specifications of the pump body, not only the corresponding tooling needs to be replaced, but also the corresponding specification of the plug needs to be configured, which makes the adaptability of the pump body air tightness detection tooling poor, and the control difficulty and manufacturing cost high.

[0005] Therefore, a pump body air tightness detection tooling structure is needed to solve the above-mentioned defects of the existing pump body air tightness detection tooling in actual operation. SUMMARY

[0006] The application provides a liquid-cooled pump body air tightness detection tooling, which has the advantages of simple operation, convenient disassembly and assembly, effectively reduces the control difficulty and manufacturing cost of the tooling, and can realize the sealing and fixation of the inlet and outlet of the pump body when facing different specifications and models of the pump body, so that the adaptability of the tooling to different specifications of the pump body is high, thereby solving the problems that the existing pump body air tightness detection tooling is composed of plugs and fasteners, and is connected with the pump head by bolts, which leads to the cumbersome installation steps of the tooling, and the low efficiency of the air tightness detection of the pump body, and when detecting different specifications of the pump body, not only the corresponding tooling needs to be replaced, but also the corresponding specification of the plug needs to be configured, which makes the adaptability of the pump body air tightness detection tooling poor, and the control difficulty and manufacturing cost high.

[0007] In order to achieve the above object, the technical scheme adopted by the present application is as follows: a kind of liquid cooling pump body air-tightness detection tooling, including support seat, support rod, adapter rod, plug and clamping jaw, the inside of the support seat is provided with first installation hole communicated to its top, and spring groove is opened in the inner cavity of support seat, while, bolt is threadedly connected in first installation hole and extends into spring groove, and adapter is fixedly installed at the bottom end of bolt and communicated with plug;

[0008] The support rod is arranged in the inside of support seat, and second installation hole is opened in the top end of support rod and fixedly sleeved with the outer surface of bolt, support plate is installed in the middle part of the inner cavity of support seat, the bottom end of support rod is connected with support plate by spring movably sleeved in the outer surface of bolt, and a group of fixed columns are fixedly installed on both sides of the bottom end of support rod;

[0009] The front and rear sides of the top end of the plug are provided with third connection holes, and the bottom end of the support seat is fixedly connected with the plug through the third connection holes, while the left and right sides of the top end of the plug are provided with fourth connection holes, and the second connection holes provided on the adapter rod are fixedly connected with the plug through bolts, one side of the adapter rod is provided with first connection hole, and the first connection hole is connected with the fifth connection hole on the clamping jaw through connecting column pin, and the top end of the clamping jaw is in contact with the bottom end of the fixed column.

[0010] Further, the bottom end of the clamping jaw and the side towards the plug are provided with a half-ring structure clamping block capable of being clamped with the pump body.

[0011] Further, the outside of the fixed column and the side towards the plug are milled into bevel structure, and the side corresponding to the top end of the clamping jaw is provided with bevel structure matched therewith.

[0012] Further, the outside of the plug is provided with taper structure with large top and small bottom, so as to increase the adaptability of the plug and make it suitable for different specifications and models of pump body.

[0013] Further, a group of first sealing grooves are opened on the upper side of the outer surface of the plug, and a primary sealing ring is sleeved thereon, while a group of second sealing grooves are opened on the lower side of the plug, and a secondary sealing ring is sleeved thereon, so as to effectively increase the sealing property between the plug and the inlet and outlet of the pump body through the sealing rings thereon.

[0014] Further, the outer surface of the plug is fixedly sleeved with elastic member made of elastic rubber material, and the inclination angle of the outer surface generatrix of the elastic member is smaller than that of the outer surface generatrix of the plug.

[0015] Further, the elastic member is internally provided with a cavity structure, and is filled with full-volume magnetorheological fluid, and three groups of semi-annular magnets arranged in an annular array and having an included angle of 60° are arranged in the interior of the plug, and a magnetic resistance partition is movably sleeved between the semi-annular magnets and the elastic member, and the magnetic resistance surface of the inner wall of the magnetic resistance partition is provided with three groups of fan-shaped surfaces arranged in an annular array and having an included angle of 60°.

[0016] The present application has the following technical effects:

[0017] 1. The liquid-cooled pump body air tightness detection tool provided by the present application is simple to operate and convenient to disassemble and assemble, and can effectively reduce the control difficulty and manufacturing cost of the tool.

[0018] 2. The liquid-cooled pump body air tightness detection tool provided by the present application can effectively improve the sealing performance of the pump body inlet and outlet, and can realize sealing and fixation of the pump body inlet and outlet when facing different specifications and models of pump bodies, thereby effectively providing the adaptability of the tool to different specifications of pump body inlets and outlets, and effectively avoiding the problem that the plug is writhed to the inside of the pump body under negative pressure adsorption when the pump body is in a negative pressure state, thereby adversely affecting the pressure decay rate in the pump body, and effectively improving the accuracy of the air tightness detection of the pump body. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0020] The present application can be more clearly understood and appreciated from the following detailed description taken in conjunction with the accompanying drawings, in which:

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is a front view of the structure of the present application;

[0023] Figure 3 is a structural schematic view of the support seat of the present application;

[0024] Figure 4 is a structural schematic view of the support rod of the present application;

[0025] Figure 5 is a structural schematic view of the adapter rod of the present application;

[0026] Figure 6 Figure 1 is a structural schematic diagram of the plug in the first embodiment of the present application;

[0027] Figure 7 Figure 2 is a structural schematic diagram of the plug in the third embodiment of the present application;

[0028] Figure 8 Figure 3 is a structural schematic diagram of the clamping jaw.

[0029] In the figure: 1, bolt; 2, support seat; 21, first mounting hole; 22, spring groove; 3, support rod; 31, second mounting hole; 32, fixed column; 4, adapter rod; 41, first connecting hole; 42, second connecting hole; 5, connecting column; 6, primary sealing ring; 7, secondary sealing ring; 8, plug; 81, third connecting hole; 82, fourth connecting hole; 83, first sealing groove; 84, second sealing groove; 85, semi-annular magnet; 86, elastic member; 87, magnetism blocking baffle; 9, clamping jaw; 91, fifth connecting hole; 10, spring; 11, support plate; 12, adapter; 13, air pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] As shown in Figure 1 , a liquid-cooled pump body air-tightness detection tool, comprising a support seat 2, a support rod 3, an adapter rod 4, a plug 8 and a clamping jaw 9, the inside of the support seat 2 is provided with a first mounting hole 21 communicating to the top thereof, and a spring groove 22 is formed in the inner cavity of the support seat 2, as shown in Figure 2 , at the same time, a bolt 1 extending into the spring groove 22 is threadedly connected in the first mounting hole 21, and an adapter 12 communicating with the plug 8 is fixedly installed at the bottom end of the bolt 1, the inside of the adapter 12 is provided with an air pipe 13 communicating with a pressure attenuator on a detection table;

[0032] As shown in Figure 4 , the support rod 3 is arranged in the inside of the support seat 2, and a second mounting hole 31 fixedly sleeved with the outer surface of the bolt 1 is formed at the top end of the support rod 3, so that the second mounting hole 31 can be moved upward or downward during the rotation of the bolt 1, a support plate 11 is installed in the middle of the inner cavity of the support seat 2, the bottom end of the support rod 3 is in transmission connection with the support plate 11 through a spring 10 movably sleeved in the outer surface of the bolt 1, and a group of fixed columns 32 is fixedly installed on both sides of the bottom end of the support rod 3;

[0033] As Figure 5 , Figure 6 and Figure 8 shown, the front and rear sides of the top end of the plug 8 are provided with third connecting holes 81, and are fixedly connected with the bottom end of the support seat 2 through the third connecting holes 81, while the left and right sides of the top end of the plug 8 are provided with fourth connecting holes 82, and are fixedly connected with the second connecting holes 42 provided on the adapter rod 4 through bolts, one side of the adapter rod 4 is provided with a first connecting hole 41, and the first connecting hole 41 is pinned with a fifth connecting hole 91 on the clamping jaw 9 through the connecting column 5, the top end of the clamping jaw 9 is in contact with the bottom end of the fixed column 32, and in the process of rotating the bolt 1 downward, the support rod 3 can be driven to move downward, thereby adjusting the opening degree of the clamping jaw 9 to adapt to different specifications of the pump body.

[0034] In the technical solution, a clamping block in a one-half annular structure which can be clamped with the pump body boss is arranged on the bottom end of the clamping jaw 9 and the side facing the plug 8, so that the clamping jaw 9 can be clamped on the boss of the pump body during the inward contraction of the clamping jaw 9, and the plug 8 is tightly clamped in the inlet and outlet of the pump body.

[0035] In the technical solution, the side of the fixed column 32 facing the plug 8 is milled into a beveled structure, and the side corresponding to the top end of the clamping jaw 9 is provided with a beveled structure matched therewith, so that when the clamping jaw 9 is contracted inwardly driven by the support rod 3, the effective contact area between the fixed column 32 and the clamping jaw 9 can be effectively increased, and the fixed column 32 and the clamping jaw 9 are not prone to loosening and slipping when bearing a large pressure.

[0036] As Figure 2 shown, in the technical solution, the outer part of the plug 8 is provided with a tapered structure that is large at the top and small at the bottom, so as to increase the adaptability of the plug 8 and make it suitable for different specifications and models of pump bodies.

[0037] First embodiment:

[0038] As Figure 6 shown, in the technical solution, a group of first sealing grooves 83 are provided on the upper side of the outer surface of the plug 8, and a primary sealing ring 6 is sleeved thereon, and a group of second sealing grooves 84 are provided on the lower side of the plug 8, and a secondary sealing ring 7 is sleeved thereon, so that the sealing performance between the plug 8 and the inlet and outlet of the pump body can be effectively increased through the sealing rings thereon, so that the phenomenon of air leakage does not easily occur when detecting the air tightness of the pump body, and the accuracy of the air tightness detection of the pump body is effectively improved.

[0039] Second embodiment:

[0040] As Figure 7As shown, in the technical solution, the outer surface of the plug 8 is fixedly sleeved with an elastic member 86 made of elastic rubber material, and the inclination angle of the outer surface of the elastic member 86 is smaller than that of the outer surface of the plug 8, thereby forming an elastic sealing area on the outer surface of the plug 8, and improving the adaptability of the plug 8 to different specifications of pump bodies.

[0041] Third embodiment:

[0042] In the technical solution, the inside of the elastic member 86 is provided with a cavity structure, and a full-volume magnetorheological fluid is filled therein, and three groups of semicircular magnets 85 arranged in a 60° angle are arranged in the plug 8, and a magnetic resistance partition plate 87 is movably sleeved between the semicircular magnets 85 and the elastic member 86, and the magnetic resistance surface of the inner wall of the magnetic resistance partition plate 87 is provided with three groups of semicircular surfaces arranged in a 60° angle, and after the plug 8 is fixed, a hoop is formed at the edge of the elastic member 86 under the action of the elastic member 86, and then the semicircular magnets 85 can exert a magnetic field on the magnetorheological fluid in the hoop, so that the magnetorheological fluid exhibits non-Newtonian characteristics and is converted into a semi-solid or fixed state, and then under the action of the hoop, the plug 8 is writhed to the inside of the pump body in a negative pressure adsorption state when the pump body is in a state of being pumped to a negative pressure, so as to adversely affect the pressure decay rate in the pump body.

Claims

1. A liquid-cooled pump body airtightness testing fixture, comprising a support base (2), a support rod (3), an adapter rod (4), a plug (8), and a clamp (9), wherein the support base (2) has a first mounting hole (21) communicating with its top, and a spring groove (22) is provided in the inner cavity of the support base (2), and a bolt (1) extending into the spring groove (22) is threadedly connected in the first mounting hole (21), and an adapter (12) communicating with the plug (8) is fixedly installed at the bottom end of the bolt (1), characterized in that: The support rod (3) is located inside the support base (2), and a second mounting hole (31) is provided at the top of the support rod (3) to be fixedly sleeved with the outer surface of the bolt (1). A support plate (11) is installed in the middle of the inner cavity of the support base (2). The bottom end of the support rod (3) is connected to the support plate (11) through a spring (10) that is movably sleeved in the outer surface of the bolt (1). A set of fixing columns (32) are fixedly installed on both sides of the bottom end of the support rod (3). The plug (8) has a third connecting hole (81) on the front and rear sides of the top end, and is fixedly connected to the bottom end of the support base (2) through the third connecting hole (81). The plug (8) has a fourth connecting hole (82) on the left and right sides of the top end, and is fixedly connected to the second connecting hole (42) on the adapter rod (4) by bolts. The adapter rod (4) has a first connecting hole (41) on one side, and the first connecting hole (41) is connected to the fifth connecting hole (91) on the jaw (9) by a connecting post (5). The top end of the jaw (9) is in contact with the bottom end of the fixing post (32).

2. The liquid-cooled pump body air tightness detection tooling of claim 1, wherein, At the bottom end of the gripper (9) and on the side facing the plug (8), there is a locking block with a half-ring structure that can be engaged with the pump body head.

3. The liquid-cooled pump body airtightness testing fixture according to claim 2, characterized in that, The outer side of the fixed column (32) facing the plug (8) is milled into a bevel structure, while the side of the top of the corresponding clamp (9) is set into a bevel structure to match it.

4. The liquid-cooled pump body airtightness testing fixture according to claim 3, characterized in that, The plug (8) is designed with a tapered structure that is larger at the top and smaller at the bottom to increase its adaptability and make it suitable for pump bodies of different specifications and models.

5. The liquid-cooled pump body airtightness testing fixture according to claim 4, characterized in that, A first sealing groove (83) is opened on the upper side of the outer surface of the plug (8), and a first-level sealing ring (6) is fitted on it. A second sealing groove (84) is opened on the lower side of the plug (8), and a second-level sealing ring (7) is fitted on it. The sealing between the plug (8) and the pump body inlet and outlet is effectively increased by the sealing ring.

6. The liquid-cooled pump body airtightness testing fixture according to claim 4, characterized in that, The outer surface of the plug (8) is fixedly fitted with an elastic element (86) made of elastic rubber material, and the inclination angle of the generatrix of the outer surface of the elastic element (86) is smaller than the inclination angle of the generatrix of the outer surface of the plug (8).

7. The liquid-cooled pump body airtightness testing fixture according to claim 6, characterized in that, The interior of the elastic element (86) is a cavity structure and is filled with a full volume of magnetorheological fluid. Inside the plug (8), there are three sets of semi-annular magnets (85) arranged in a ring array at a 60° angle. A magnetic blocking plate (87) is movably sleeved between the semi-annular magnets (85) and the elastic element (86). At the same time, the magnetic blocking surface of the inner wall of the magnetic blocking plate (87) is a fan-shaped surface arranged in a ring array at a 60° angle.

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