CN112727875A - Connection structure and test equipment - Google Patents

Connection structure and test equipment Download PDF

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Publication number
CN112727875A
CN112727875A CN202011611719.0A CN202011611719A CN112727875A CN 112727875 A CN112727875 A CN 112727875A CN 202011611719 A CN202011611719 A CN 202011611719A CN 112727875 A CN112727875 A CN 112727875A
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CN
China
Prior art keywords
adapter
piece
pressing
fixing
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011611719.0A
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Chinese (zh)
Inventor
任高林
张学伟
王永亮
张振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aerospace Yisen Wind Tunnel Engineering Technology Co ltd
Original Assignee
Beijing Aerospace Yisen Wind Tunnel Engineering Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Aerospace Yisen Wind Tunnel Engineering Technology Co ltd filed Critical Beijing Aerospace Yisen Wind Tunnel Engineering Technology Co ltd
Priority to CN202011611719.0A priority Critical patent/CN112727875A/en
Publication of CN112727875A publication Critical patent/CN112727875A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The embodiment of the invention discloses a connecting structure and a test device, which comprise: the fixing part, the adapter and the pressing part; the fixing piece is connected with the adapter, and an accommodating cavity is formed in the fixing piece towards one side of the adapter inwards; the first part of the adapter is inserted into the accommodating cavity, and the second part of the adapter is connected with a product to be tested with a specific size; the pressing piece is sleeved on the adapter, the pressing piece is detachably connected with the fixing piece, and the pressing piece is used for pressing the adapter onto the fixing piece.

Description

Connection structure and test equipment
Technical Field
The embodiment of the invention relates to the technical field of mechanical test equipment, in particular to a connecting structure and test equipment.
Background
Along with the development of science and technology, product functions are more and more refined, a plurality of different specifications and models are derived from the same product, the installation problem of products of different models is often involved when the service life of product samples of various specifications and models is tested, and the problem is particularly obvious for products with multiple sub-models. Generally, because the sub-products generally only have differences such as diameters and connecting part threads, in daily application, people usually replace all the connecting parts of the testing device interfaces to connect products to be tested with corresponding specifications and models, and then test the service lives of samples of different models of products.
Disclosure of Invention
The embodiment of the invention provides a connecting structure, which has the effect of connecting products to be tested with different specifications and models without completely replacing a connecting part, saves the cost and improves the testing efficiency.
An embodiment of the present invention provides a connection structure, including: the fixing part, the adapter and the pressing part; the fixing piece is connected with the adapter, and an accommodating cavity is formed in the fixing piece towards one side of the adapter inwards; the first part of the adapter is inserted into the accommodating cavity, and the second part of the adapter is connected with a product to be tested with a specific size; the compressing piece is sleeved on the adapter, the compressing piece is detachably connected with the fixing piece, and the compressing piece is used for compressing the adapter onto the fixing piece.
In an implementation manner, the first part surface of the adapter contacts with the side wall of the accommodating cavity, and the first part surface of the adapter is provided with a plurality of annular inner stepped grooves, and the annular inner stepped grooves are used for connecting a sealing element.
In an implementation manner, a pushing convex ring is further disposed on the surface of the first portion of the adapter, and the pushing convex ring is used for abutting against the top wall of the accommodating cavity so as to limit a contact area between the adapter and the accommodating cavity.
In an implementation manner, when the compressing member compresses the adapter, the compressing member abuts against the pushing convex ring, and the compressing member is configured to push the pushing convex ring to be connected with the top wall of the fixing member.
In an implementation mode, one end of the pressing piece is in a circular tube shape, and a rolled pattern is arranged on the outer surface of the circular tube shape; the other end of the pressing piece is in the shape of an outer hexagonal hollow tube, and one end of the pressing piece in the shape of the outer hexagonal hollow tube is communicated with one end of the pressing piece in the shape of a circular tube.
In an embodiment, the detachable connection between the fixing element and the pressing element is a threaded connection.
In an implementation manner, the fixing member is tubular, and an external thread is disposed on a side surface of the fixing member facing the pressing member, and an internal thread for matching with the fixing member is disposed on the pressing member.
In an embodiment, the second part of the adapter is threaded, and the thread is used for connecting the product to be tested.
In one embodiment, the adapter is made of a metallic material or an industrial plastic.
Another aspect of the embodiments of the present invention provides a testing apparatus, including the connection structure according to any one of the above-mentioned implementable embodiments.
The connecting structure comprises a fixing piece, an adapter and a pressing piece, when the connecting structure is applied to be connected with a product to be tested, the adapter for connecting the product to be tested is inserted into an accommodating cavity of the fixing piece, the pressing piece is sleeved on the adapter, the adapter is pressed in the accommodating cavity through the detachable connection of the pressing piece and the fixing piece, the fixing piece and the product to be tested are indirectly connected, the adapter inserted into the accommodating cavity can be replaced according to different specifications and models of the product to be tested due to the detachable connection of the pressing piece and the fixing piece, the effect that the product to be tested with different specifications and models can be connected only by replacing the adapter is achieved, the cost is saved, and the testing efficiency is improved.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
Fig. 1 is a schematic overall structure diagram of a connection structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an overall structure of a connecting structure according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a connection structure adapter according to an embodiment of the present invention.
Wherein the reference numbers are as follows: 1. a fixing member; 11. an accommodating cavity; 2. an adapter; 21. an annular inner stepped groove; 22. pushing the convex ring; 3. a compression member; 4. and (5) testing the product to be tested.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic overall structure diagram of a connection structure according to an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of an overall structure of a connecting structure according to an embodiment of the invention; fig. 3 is a schematic structural diagram of a connection structure adapter according to an embodiment of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the invention provides a connection structure, including: the device comprises a fixing piece 1, an adapter 2 and a pressing piece 3; the fixing piece 1 is connected with the adapter 2, and an accommodating cavity 11 is formed inwards on one side of the fixing piece 1 facing the adapter 2; the first part of the adapter 2 is inserted in the accommodating cavity 11, and the second part of the adapter 2 is connected with a product 4 to be tested with a specific size; compress tightly 3 covers and establish on adapter 2, and compress tightly 3 and can dismantle with mounting 1 and be connected, compress tightly 3 and be used for compressing tightly adapter 2 to mounting 1 on.
The embodiment of the invention aims to provide a connecting structure for a user, which is mainly applied to the process of testing a product 4 to be tested, and is used for connecting the product 4 to be tested with different specifications and models by replacing an adapter 2 corresponding to the product 4 to be tested, wherein the product 4 to be tested can be parts with different specifications and models, such as: water pump, shower nozzle or bolt and nut. Compared with the scheme of completely replacing the connection part of the interface of the testing device, the connection structure provided by the embodiment of the invention can achieve the effect of connecting products 4 to be tested with different specifications and models only by replacing the adapter 2, so that a manufacturer does not need to manufacture other connection parts except the adapter 2 during testing, the material is saved, and the cost is reduced. In addition, the connecting part of the interface of the testing device does not need to be replaced completely, so that the time for replacing the connecting part of the interface is greatly saved, and the testing efficiency is improved.
In the embodiment of the present invention, the fixing member 1 is a portion of the testing apparatus, which is used for connecting the adapter 2 and the pressing member 3, and can be used for carrying the adapter 2, the pressing member 3 and the product 4 to be tested. Specifically, the fixing member 1 may be a bearing plate or a support rod, and may be made of metal or a composite material, and the embodiment of the present invention does not limit the type and material of the fixing member 1, and only needs to satisfy the requirement that the effect of the fixing member 1 for connecting the adapter 2 and the pressing member 3 is not affected. Under the implementable condition, mounting 1 can be for the bracing piece of being made by cast iron, during the use, and the product 4 that awaits measuring is connected on the bracing piece through connector and pressing component 3, because the bracing piece is made by cast iron, and the bracing piece has certain rigidity, consequently leads to the bracing piece at the in-process of using difficult effect that takes place deformation in addition. Further, adapter 2 includes first portion and second part, wherein, adapter 2's first portion is that adapter 2 is used for the part of being connected with holding chamber 11, its shape and size match with holding chamber 11, under one kind can the implementation condition, when mounting 1 is the bracing piece, and the bracing piece can be inwards formed with towards one side of adapter 2 and be columniform holding chamber 11 when, adapter 2's first portion also can be cylindric, and furtherly, adapter 2's first portion's size slightly is less than holding chamber 11's size, so that adapter 2 pegs graft in holding chamber 11. In addition, the second part of the adapter 2 is a part of the adapter 2 used for being connected with the product 4 to be tested, and the shape and the size of the second part can correspond to the product 4 to be tested with different specifications and models in a one-to-one mode. Consequently, adapter 2's second part can be confirmed according to the actual shape and the actual size of the product 4 that awaits measuring, and then adapter 2's whole shape and size can be selected according to adapter 2's second part's shape and size, through changing adapter 2 to reach the effect of connecting different specifications and model product 4 that awaits measuring. It should be clear that, in the embodiment of the present invention, a connection manner between the product 4 to be tested and the adapter 2 is not limited, and may be a threaded connection, a snap connection, an adhesive connection, or the like, in an implementable situation, the product 4 to be tested may be connected to the second portion of the adapter 2 through a thread, specifically, an external thread may be disposed on the product 4 to be tested, the second portion of the adapter 2 may be provided with an internal thread for connecting the product 4 to be tested, and the product 4 to be tested is engaged with the adapter 2 through the thread, so as to achieve an effect of connecting the adapter 2. Taking the concrete structure as an example, under the implementable circumstances, when the product 4 that awaits measuring is the nut, the second part of adapter 2 can be the double-screw bolt that matches with this nut, and this double-screw bolt and adapter 2's first part integrated into one piece for supply the nut to connect, so that carry out life-span test to the nut. Under another kind can the implementation condition, when the product 4 that awaits measuring is the gondola water faucet nozzle, the second part of adapter 2 can be the nozzle fixing base, and the nozzle fixing base is used for fixed gondola water faucet nozzle to carry out performance test to the gondola water faucet nozzle. In addition, for making the relative position of mounting 1 and adapter 2 fixed, can the cover be equipped with on adapter 2 and compress tightly piece 3, wherein, compress tightly piece 3 and can be for pressing flange, compress tightly the part that the end cover etc. has the effect of compressing tightly, and compress tightly the connected mode of piece 3 and mounting 1 and can be buckle connection, threaded connection etc. only need not influence and compress tightly piece 3 and be used for compressing tightly adapter 2 to mounting 1, and compress tightly the connected mode between piece 3 and the mounting 1 can for can dismantling the connection.
In an implementation manner, the first partial surface of the adapter 2 contacts with the sidewall of the accommodating cavity 11, and the first partial surface of the adapter 2 is provided with a plurality of annular inner stepped grooves 21, and the annular inner stepped grooves 21 are used for connecting the sealing element.
Specifically, when the holding chamber 11 of mounting 1 was cylindricly, for making adapter 2 and the inseparable cooperation of mounting 1, the first portion of adapter 2 when matcing with the 11 shapes in holding chamber, the lateral wall of adapter 2 can laminate with the lateral wall in holding chamber 11 to reach the effect on the accurate location of the first portion that makes adapter 2 arrives mounting 1. In addition, in order to guarantee the sealing performance of the adapter 2 connected with the fixing part 1, under the condition that the sealing device can be implemented, a plurality of annular inner stepped grooves 21 can be formed in the surface of the first part of the adapter 2, and the annular inner stepped grooves 21 are used for being connected with a sealing element, so that the effect of guaranteeing the sealing performance of the adapter 2 connected with the fixing part 1 is achieved. In an implementation case, the annular inner stepped groove 21 may have a rectangular cross section, and the number thereof may be determined according to the sealing requirement. When the requirement on the connection sealing performance is not high, the surface of the first part of the adapter 2 may not be provided with or only provided with one annular inner stepped groove 21 for the connection of a sealing element. On the contrary, when the connection leakproofness required highly, in order to guarantee the connection leakproofness, the kind and the quantity of sealing member also can correspondingly increase, and then, in order to hold the sealing member, adapter 2 first part surface also need set up two or more quantity's cyclic annular interior ladder groove 21 thereupon to the sealing member that supplies different kind and quantity is connected.
Further, the shape of the sealing element is matched with the annular inner stepped groove 21, the sealing element is arranged in the annular inner stepped groove 21 of the adapter 2, and two annular end faces of the sealing element are respectively connected with the inner wall of the accommodating cavity 11 and the bottom face of the annular inner stepped groove 21. When the sealing device is applied, a user needs to select the type and the number of the sealing elements according to the requirement of sealing performance, and the sealing elements are arranged in the annular inner stepped groove 21 of the adapter 2. The embodiment of the invention does not limit the types and the number of the sealing elements, and only the requirement of the connection sealing performance of the adapter 2 and the fixing element 1 is met. Under one kind can implement the condition, when the leakproofness required only for preventing that machine oil and water etc. from passing through, the sealing member is the end cover sealing washer that rubber made, and a plurality of end cover sealing washers set up in this cyclic annular ladder inslot, and end cover sealing washer and 1 inner wall butt of mounting have reached the effect that prevents machine oil and water and pass through. Under another kind can the implementation condition, when the leakproofness requirement for under the prerequisite that prevents water and machine oil and pass through, when still preventing that external pollutant from flowing in, the sealing member can also include dustproof sealing ring, dustproof sealing ring set up at cyclic annular ladder inslot and with 1 inner wall butt of mounting, reached the effect that prevents the inflow of external pollutant.
In an implementation manner, the first part surface of the adapter 2 is further provided with a pushing convex ring 22, and the pushing convex ring 22 is used for abutting against the top wall of the accommodating cavity 11 to limit the contact area between the adapter 2 and the accommodating cavity 11.
Specifically, the pushing convex ring 22 is an annular protruding portion of the surface of the first portion of the adapter 2, and the diameter of the pushing convex ring is slightly larger than the accommodating cavity 11, in one implementable case, the pushing convex ring 22 may include two annular surfaces, when the first portion of the adapter 2 is inserted into the accommodating cavity 11 of the fixing member 1, one of the annular surfaces of the pushing convex ring 22 may be connected to the top wall of the accommodating cavity 11 to limit the contact area between the adapter 2 and the accommodating cavity 11, in another implementable case, the connection between the annular surface of the pushing convex ring 22 and the top wall of the accommodating cavity 11 may also play a role in preventing the adapter 2 from being buried in the accommodating cavity 11, thereby ensuring that the adapter 2 is correctly connected to the product 4 to be tested.
In an implementation manner, when the pressing member 3 presses the adapter 2, the pressing member 3 abuts against the pushing convex ring 22, and the pressing member 3 is used for pushing the pushing convex ring 22 to connect with the top wall of the fixing member 1.
Specifically, when the pressing member 3 is a pressing end cover, a through hole for the second part of the adapter 2 to pass through is formed in the pressing end cover, and the pressing end cover is sleeved on the second part of the adapter 2 through the through hole and is in contact with the other annular surface of the pushing convex ring 22. Further, when the pressing end cover moves towards the fixing member 1, the pressing end cover pushes the pushing convex ring 22 to abut against the top wall of the accommodating cavity 11, so as to achieve the effect of pressing the first part of the adapter 2 onto the fixing member 1.
Under the implementable circumstances, for the convenience of mounting 1 convenient quick with compress tightly 3 and be connected, mounting 1 can be threaded connection with compressing tightly dismantling between 3, and further, mounting 1 can be the tubulose, and this mounting 1 orientation compresses tightly one side tubulose surface of 3 and has seted up the external screw thread, and is corresponding, compresses tightly 3 one end and 1 shape matching of mounting, offers on it to be used for with 1 complex internal thread of mounting. When the fixing device is applied, the pressing piece 3 can be screwed to the fixing piece 1 through threads so as to move towards the direction of the fixing piece 1.
In an implementation mode, one end of the pressing piece 3 is in a circular tube shape, and a rolled pattern is arranged on the outer surface of the circular tube shape; the other end that compresses tightly piece 3 is outer hexagonal hollow tube form, and compresses tightly the one end that piece 3 is outer hexagonal hollow tube form and compress tightly the one end intercommunication that piece 3 is the pipe form.
Specifically, under the circumstances that mounting 1 and compressing tightly 3 pass through threaded connection, in order to facilitate compressing tightly the cooperation of piece 3 and mounting 1, under the implementable circumstances, compressing tightly 3 can present the pipe form, and the surface of pipe can be provided with the roll extrusion decorative pattern that is used for increasing frictional force to be convenient for the user directly with the hand with compressing tightly 3 and mounting 1 and close soon, played simple and fast and closed effect that compresses tightly 3 and mounting 1 soon. Under another kind can implement the condition, compress tightly 3 can also be outer hexagonal hollow circular tube form, the surface of this outer hexagonal hollow circular tube can with the correspondence of outer hexagonal spanner to compress tightly 3 with outer hexagonal spanner under the great condition of the required connecting torque of piece 3 and mounting 1, screw with outer hexagonal spanner to compressing tightly 3. In an implementation situation, in order to adapt to situations of different connecting torques, the pressing member 3 may include both a circular tubular outer surface and an outer hexagonal hollow tube surface, specifically, one end of the pressing member 3 facing the fixing member 1 may be in a circular tubular shape, and provided with a rolled pattern, and one end of the pressing member 3 facing away from the fixing member 1 may be in an outer hexagonal hollow tube shape.
In addition, in an implementation case, in order to enable the connection structure provided by the embodiment of the present invention to be applicable in more scenarios, the material of the connection structure may be determined according to the scenario of the required application, and in an implementation case, in order to enable the connection structure to be applicable in more test environments, the adapter 2, the fixing member 1, and the pressing member 3 of the connection structure may be made of a metal material or an industrial plastic material by the adapter 2.
Another aspect of an embodiment of the present invention provides a test apparatus, where the test apparatus includes: the connecting structure according to any one of the above embodiments. When the test equipment is used, firstly, a needed adapter 2 can be determined according to a product 4 to be tested, the product 4 to be tested is connected with the second part of the adapter 2, then, the first part of the adapter 2 can be inserted into the accommodating cavity 11 of the fixing piece 1, so that the pushing convex ring 22 of the first part of the adapter 2 is connected with the top wall of the accommodating cavity 11 of the fixing piece 1, the pressing piece 3 is sleeved on the second part of the adapter 2, which is used for being connected with the product 4 to be tested, and is in threaded connection with the fixing piece 1, when the pressing piece 3 is screwed to the fixing piece 1 through threads, the pressing piece 3 can be in contact with the pushing convex ring 22, and the pushing convex ring 22 is pushed to be close to the fixing piece 1. Finally, the product 4 to be tested is connected to the test equipment, and the test equipment has the effect of being connected with different products 4 to be tested as long as the adapter 2 is replaced when the specification and the model of the product 4 to be tested are changed, so that the requirement of testing the products 4 to be tested with different specifications and models is met.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A connecting structure, characterized by comprising: the device comprises a fixing piece (1), an adapter (2) and a pressing piece (3);
the fixing piece (1) is connected with the adapter (2), and an accommodating cavity (11) is formed in one side of the fixing piece (1) facing the adapter (2) inwards;
the first part of the adapter (2) is inserted into the accommodating cavity (11), and the second part of the adapter (2) is connected with a product (4) to be tested with a specific size;
the adapter is characterized in that the pressing piece (3) is sleeved on the adapter (2), the pressing piece (3) is detachably connected with the fixing piece (1), and the pressing piece (3) is used for pressing the adapter (2) onto the fixing piece (1).
2. The connecting structure according to claim 1, characterized in that the first part surface of the adapter (2) is in contact with the side wall of the accommodating cavity (11), and the first part surface of the adapter (2) is provided with a plurality of annular inner stepped grooves (21), wherein the annular inner stepped grooves (21) are used for connecting a sealing element.
3. The connection structure according to claim 1, characterized in that the first part surface of the adapter (2) is further provided with a pushing convex ring (22), and the pushing convex ring (22) is used for abutting against the top wall of the accommodating cavity (11) so as to limit the contact area between the adapter (2) and the accommodating cavity (11).
4. The connection structure according to claim 3, characterized in that when the compressing member (3) compresses the adapter (2), the compressing member (3) abuts against the pushing convex ring (22), and the compressing member (3) is used for pushing the pushing convex ring (22) to connect with the top wall of the fixing member (1).
5. The connecting structure according to claim 1, wherein one end of the pressing piece (3) is in a shape of a circular tube, and the outer surface of the circular tube is provided with a rolled pattern;
the other end of the pressing piece (3) is in the shape of an outer hexagonal hollow tube, and one end of the pressing piece (3) in the shape of the outer hexagonal hollow tube is communicated with one end of the pressing piece (3) in the shape of a circular tube.
6. A connection according to claim 1, characterized in that the detachable connection between the fixing element (1) and the pressing element (3) is a threaded connection.
7. The connecting structure according to claim 6, wherein the fixing member (1) is tubular, and an external thread is formed on one side surface of the fixing member (1) facing the pressing member (3), and an internal thread for matching with the fixing member (1) is formed on the pressing member (3).
8. The connection according to claim 1, characterized in that the second portion of the adapter (2) is threaded for connection to the product (4) to be tested.
9. The connection according to claim 1, characterized in that the adapter (2) is made of a metallic material or an industrial plastic.
10. A test device comprising a connection structure according to any one of claims 1-9.
CN202011611719.0A 2020-12-30 2020-12-30 Connection structure and test equipment Pending CN112727875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011611719.0A CN112727875A (en) 2020-12-30 2020-12-30 Connection structure and test equipment

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Application Number Priority Date Filing Date Title
CN202011611719.0A CN112727875A (en) 2020-12-30 2020-12-30 Connection structure and test equipment

Publications (1)

Publication Number Publication Date
CN112727875A true CN112727875A (en) 2021-04-30

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CN202011611719.0A Pending CN112727875A (en) 2020-12-30 2020-12-30 Connection structure and test equipment

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009088505A1 (en) * 2008-01-07 2009-07-16 Odyssian Technology L.L.C. Seals with integrated leak progression detection capability
CN103148248A (en) * 2011-12-06 2013-06-12 黄英哲 Combined charging connector
CN206546237U (en) * 2017-03-08 2017-10-10 北京华特时代电动汽车技术有限公司 Airtight detection switching device for battery case
CN210372403U (en) * 2019-06-11 2020-04-21 上海原动力通信科技有限公司 Adapter assembly
CN210950279U (en) * 2019-09-24 2020-07-07 扬中市中驰电气有限公司 Air source ball valve adapter device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009088505A1 (en) * 2008-01-07 2009-07-16 Odyssian Technology L.L.C. Seals with integrated leak progression detection capability
CN103148248A (en) * 2011-12-06 2013-06-12 黄英哲 Combined charging connector
CN206546237U (en) * 2017-03-08 2017-10-10 北京华特时代电动汽车技术有限公司 Airtight detection switching device for battery case
CN210372403U (en) * 2019-06-11 2020-04-21 上海原动力通信科技有限公司 Adapter assembly
CN210950279U (en) * 2019-09-24 2020-07-07 扬中市中驰电气有限公司 Air source ball valve adapter device

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Application publication date: 20210430

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