Pump body air tightness detection tool
By designing an adjustable pump body airtightness detection tool, the detection adaptability problem caused by different pump body sizes is solved, effective airtightness detection of different types of pump bodies is achieved, and the accuracy and applicability of the detection is improved.
Patent Information
- Application Number
- CN202323564788.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2033-12-26
AI Technical Summary
The existing pump body airtightness detection methods require different tooling fixtures to be replaced according to the size of the pump body, resulting in limited adaptation range and the inability to effectively detect the airtightness of different types of pump bodies.
A pump body airtightness detection tool is designed, including an adjustable lower base and upper base. The knob drives the rotation of the pawl and the matching of the spring to achieve adjustment of the base length. Combined with the plug assembly and the sealing gasket, it can adapt to different The pump body ports of the size are sealed and multiple ports are sealed through screws and screws.
It improves the adaptability range and practicality of the detection device, can effectively seal the pump body ports of different sizes, and improves the accuracy and applicability of the pump body airtightness detection.
Smart Images
Figure CN222318339U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pump body air tightness detection, in particular to a pump body air tightness detection tool. Background Art
[0002] The pump body is an important component of the hydraulic system. It needs to realize operations such as oil suction and oil compression in a sealed environment, so there are high requirements for the air tightness of the pump body.
[0003] The existing pump body air tightness test is mainly to seal the various ports of the pump body through a fixture, and then place the pump body in water to judge the air tightness of the pump body by observing whether bubbles are generated. In fact, due to the different applications and models of pump bodies, the sizes of pump bodies are also different. Therefore, when using a fixture to seal the ports of the pump body, different fixtures are required according to the different sizes of the pump body. In order to deal with the above problems and defects, a pump body air tightness test tool is urgently needed. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a pump body air tightness detection tool to solve the problem that the existing pump body air tightness detection is mainly to seal the various ports of the pump body with a tool fixture, and then place it in water, and judge the air tightness of the pump body by observing whether bubbles are generated. In fact, due to different applications and models of pump bodies, the sizes of pump bodies are also different. Therefore, when using a tool fixture to seal the ports of the pump body, different tool fixtures need to be used according to the different sizes of the pump body.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] A pump body air tightness detection tool, comprising: a lower base and an upper base, and a plug assembly installed on the outer wall of the upper base; the lower base includes a groove, the inner wall of the groove is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly equipped with a pawl, the inner wall of the groove is fixedly equipped with a spring, the end of the spring away from the groove is fixedly connected to the pawl, the end of the rotating shaft passing through the lower base is fixedly equipped with a knob, the top of the lower base is fixedly equipped with a positioning plate, the side of the positioning plate close to the upper base is fixedly equipped with a connecting head, and the side of the positioning plate away from the upper base is fixedly connected to a nozzle; the upper base includes a latch installed on the bottom of the inner wall of the upper base, the top of the upper base is fixedly equipped with a fixing block, the outer wall of the fixing block is threadedly connected to a screw, and the side of the screw close to the lower base is fixedly equipped with a sealing head.
[0007] The inner wall of the lower base is fixedly equipped with a limiting rod, the outer wall of the upper base is provided with a limiting groove, and the limiting rod is slidably connected with the limiting groove.
[0008] The plug assembly includes slide grooves opened on both sides of the upper base, the inner wall of the slide groove is slidably connected with a positioning frame, the top of the positioning frame is threadedly connected with a screw rod, and the bottom of the screw rod is fixedly assembled with an upper plug.
[0009] A sealing gasket is fixedly mounted on the top of the inner wall of the upper plug, and the sealing gasket is a rubber gasket.
[0010] A limiting block is fixedly assembled on a side of the groove away from the spring, and a side of the limiting block close to the pawl is matched with the shape of the outer wall of the pawl.
[0011] The number of the pawls is two, and the two pawls are symmetrically distributed on both sides of the lower base.
[0012] Compared with the prior art, the utility model has at least the following beneficial effects:
[0013] 1. In the above scheme, by rotating the knob, the pawl is driven to rotate into the groove. At this time, the lower base and the upper base can be pulled to both sides, and then the pump body is placed between the lower base and the upper base. Then, the lower base and the upper base are pushed toward the middle at the same time, and the length of the lower base and the upper base are adjusted to match the length of the pump body, so that it can adapt to pump bodies of different sizes for port blocking, which is conducive to improving the adaptability of the device.
[0014] 2. In the above scheme, the sealing head is driven by rotating the screw to seal the lateral port of the pump body, and then the plug assembly is used to drive the upper plug to move downward by rotating the screw to seal the port on the top of the pump body, thereby sealing the ports at two locations of the pump body, which is beneficial to improving the practicability of the device and the sealing performance of the pump body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the pump body air tightness detection tooling;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the pump body air tightness detection tooling from the first perspective;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the pump body air tightness detection tooling from the second viewing angle;
[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the lower base and the upper base;
[0020] Figure 5 for Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure.
[0021] [Reference Signs]
[0022] 1. Lower base; 11. Groove; 12. Rotating shaft; 13. Ratchet; 14. Spring; 15. Knob; 16. Positioning plate; 17. Connector; 18. Nozzle; 19. Limit rod;
[0023] 2. Upper base; 21. Clamping teeth; 22. Fixing block; 23. Screw; 24. Sealing head; 25. Limiting groove;
[0024] 3. Plug assembly; 31. Slide; 32. Positioning frame; 33. Screw rod; 34. Upper plug;
[0025] 4. Sealing gasket; 5. Limit block.
[0026] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION
[0027] The following is a detailed description of a pump body air tightness detection tool provided by the utility model in combination with the drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.
[0028] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).
[0029] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.
[0030] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.
[0031] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.
[0032] like Figure 1 , Figure 2 and Figure 5As shown, the embodiment of the utility model provides a pump body air tightness detection tool, including: a lower base 1 and an upper base 2, and a plug assembly 3 installed on the outer wall of the upper base 2; the lower base 1 includes a groove 11, the inner wall of the groove 11 is rotatably connected with a rotating shaft 12, the outer wall of the rotating shaft 12 is fixedly equipped with a pawl 13, the inner wall of the groove 11 is fixedly equipped with a spring 14 providing elastic force, the end of the spring 14 away from the groove 11 is fixedly connected to the pawl 13, the rotating shaft 12 passes through one end of the lower base 1 and is fixedly equipped with a knob 15 for driving the rotating shaft 12 to rotate, the top of the lower base 1 is fixedly equipped with a positioning plate 16, the side of the positioning plate 16 close to the upper base 2 is fixedly equipped with a connector 17, and the positioning plate 16 is away from the upper One side of the base 2 is fixedly connected with a nozzle 18 for introducing 1.5MPa compressed air; the upper base 2 includes a latch 21 installed at the bottom of the inner wall of the upper base 2, a fixed block 22 is fixedly assembled on the top of the upper base 2, a screw 23 is threadedly connected to the outer wall of the fixed block 22, and a sealing head 24 for sealing the lateral port of the pump body is fixedly assembled on the side of the screw 23 close to the lower base 1, a limit rod 19 is fixedly assembled on the inner wall of the lower base 1, and a limit groove 25 is provided on the outer wall of the upper base 2, and the limit rod 19 is slidably connected with the limit groove 25. By setting the limit rod 19 and the limit groove 25, it is beneficial to limit the lateral movement of the lower base 1 and the upper base 2, and improve the stability of the lateral movement of the lower base 1 and the upper base 2. 。
[0033] like Figure 1 and Figure 3 As shown, the plug assembly 3 includes a slide groove 31 opened on both sides of the upper base 2, the inner wall of the slide groove 31 is slidably connected with a positioning frame 32, the top of the positioning frame 32 is threadedly connected with a screw rod 33, and the bottom of the screw rod 33 is fixedly assembled with an upper plug 34. By setting the plug assembly 3, it is beneficial to drive the upper plug 34 to seal the port on the top of the pump body by rotating the screw rod 33.
[0034] like Figure 3 As shown, a sealing gasket 4 is fixedly assembled on the top of the inner wall of the upper plug 34. The sealing gasket 4 is a rubber gasket. The provision of the sealing gasket 4 is helpful to improve the airtightness of the connection between the upper plug 34 and the top port of the pump body.
[0035] like Figure 2 and Figure 5 As shown, a limit block 5 is fixedly assembled on the side of the groove 11 away from the spring 14, and the side of the limit block 5 close to the pawl 13 is adapted to the shape of the outer wall of the pawl 13. By setting the limit block 5, it is beneficial to improve the firmness of the connection between the pawl 13 and the latch tooth 21, and it is beneficial to support and fix the pawl 13.
[0036] like Figure 4As shown, there are two ratchet pawls 13, and the two ratchet pawls 13 are symmetrically distributed on both sides of the lower base 1. By limiting the number and position of the ratchet pawls 13, it is beneficial to improve the fixing effect of the latch teeth 21 and improve the stability of the device when in use.
[0037] The technical solution provided by the utility model is that when working, the knob 15 is first rotated to rotate the pawl 13 to the inside of the groove 11, and then the lower base 1 and the upper base 2 are pulled to both sides, and then the pump body is placed between the lower base 1 and the upper base 2, and then the lower base 1 and the upper base 2 are pushed toward the middle. At this time, during the movement of the two bases, the latching teeth 21 push the pawl 13 to move to the inside of the groove 11 until it is adjusted to a suitable position, and the pawl 13 is pushed upward by the action of the spring 14 and is engaged with the latching teeth 21 at the corresponding position;
[0038] Then first connect the port at one end of the pump body to the connector 17, and then rotate the screw 23 to drive the sealing head 24 to move to the port at the other end of the pump body and engage with it, and finally move the upper plug 34 downward by rotating the screw 33 to connect the upper plug 34 to the port on the top of the pump body to seal the pump body, and then inject 1.5MPa compressed air through the nozzle 18, and put the device into water at the same time, and judge the air tightness of the pump body by observing whether bubbles are generated.
[0039] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.
[0040] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.
[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A pump body air tightness detection tool, characterized in that: include: A lower base (1) and an upper base (2), and a plug assembly (3) mounted on the outer wall of the upper base (2); The lower base (1) comprises a groove (11), the inner wall of the groove (11) is rotatably connected to a rotating shaft (12), the outer wall of the rotating shaft (12) is fixedly equipped with a pawl (13), the inner wall of the groove (11) is fixedly equipped with a spring (14), the end of the spring (14) away from the groove (11) is fixedly connected to the pawl (13), one end of the rotating shaft (12) passing through the lower base (1) is fixedly equipped with a knob (15), the top of the lower base (1) is fixedly equipped with a positioning plate (16), the side of the positioning plate (16) close to the upper base (2) is fixedly equipped with a connector (17), and the side of the positioning plate (16) away from the upper base (2) is fixedly connected to a nozzle (18); The upper base (2) comprises a latching tooth (21) mounted on the bottom of the inner wall of the upper base (2); a fixing block (22) is fixedly mounted on the top of the upper base (2); a screw (23) is threadedly connected to the outer wall of the fixing block (22); and a sealing head (24) is fixedly mounted on a side of the screw (23) close to the lower base (1).
2. The pump body air tightness detection tool according to claim 1, characterized in that: The inner wall of the lower base (1) is fixedly equipped with a limit rod (19), the outer wall of the upper base (2) is provided with a limit groove (25), and the limit rod (19) is slidably connected to the limit groove (25).
3. The pump body air tightness detection tool according to claim 1, characterized in that: The plug assembly (3) comprises a slide groove (31) opened on both sides of the upper base (2); the inner wall of the slide groove (31) is slidably connected to a positioning frame (32); the top of the positioning frame (32) is threadedly connected to a screw rod (33); and the bottom of the screw rod (33) is fixedly assembled with an upper plug (34).
4. The pump body air tightness detection tool according to claim 3 is characterized in that: A sealing gasket (4) is fixedly mounted on the top of the inner wall of the upper plug (34), and the sealing gasket (4) is a rubber gasket.
5. The pump body air tightness detection tool according to claim 1, characterized in that: A limiting block (5) is fixedly mounted on a side of the groove (11) away from the spring (14), and a side of the limiting block (5) close to the pawl (13) is adapted to the shape of an outer wall of the pawl (13).
6. The pump body air tightness detection tool according to claim 1, characterized in that: The number of the ratchet pawls (13) is two, and the two ratchet pawls (13) are symmetrically distributed on both sides of the lower base (1).