Clamp and tensile machine system for detecting tensile property of bra

Abstract

The utility model provides a clamp and tensile machine system for detecting the tensile property of a bra, the clamp comprises two sets of clamp assemblies arranged oppositely, each clamp assembly comprises a first connecting piece, a second connecting piece and a fixing rod, the extension direction of the first connecting piece is parallel to the moving direction of the output end of a tensile machine and is perpendicular to the extension direction of the fixing rod, and the extension direction of the second connecting piece is parallel to the moving direction of the output end of the tensile machine; the first connecting piece is used for being connected with a tensile machine, the second connecting piece is connected with the first connecting piece, the fixing rod is provided with a fixed end and a free end which are oppositely arranged, the second connecting piece is connected with the fixed end of the fixing rod, and the fixing rods of the two clamp assemblies are parallel and oppositely arranged. The fixing rods of the two sets of clamp assemblies extend into the closed ring-shaped structure defined by the chest, at least one set of clamp assembly moves in the direction away from the other set of clamp assembly, the ring-shaped structure can be gradually changed into a tightened state from a loose state, the bra is stretched from the interior of the ring-shaped structure of the bra, and therefore the bra can be stretched conveniently. And carrying out a tensile limit test on the overall structure of the bra.

Description

Technical Field

[0001] The embodiments disclosed herein belong to the field of clamping technology, specifically relating to a clamping device and tensile testing machine system for testing the tensile properties of bras. Background Technology

[0002] Bras are one of the types of underwear used by women, and the core quality of bra products is very important. The tensile test items for core quality mainly include constant elongation force, constant force elongation, tensile elastic elongation, tensile elastic recovery rate, plastic deformation rate, stress relaxation rate, etc. Bra products with excellent tensile test performance have good extensibility and can make users more comfortable to wear.

[0003] However, the tensile testing machines currently used for tensile testing are all flat fixtures suitable for textiles. These fixtures cannot test the tensile limits that a bra can withstand when the bra is connected into a closed loop structure. In other words, the existing flat fixtures of tensile testing machines are difficult to apply to bras to test the overall tensile performance of bras. Therefore, there is an urgent need for a fixture to meet the testing requirements for the tensile performance of bras. Utility Model Content

[0004] The embodiments disclosed herein aim to at least solve one of the technical problems existing in the prior art, and provide a clamp and tensile testing machine system for testing the tensile properties of bras.

[0005] A first aspect of this disclosure provides a fixture for testing the tensile properties of a bra. The fixture is applied to a tensile testing machine. The fixture includes two sets of opposing fixture assemblies, each assembly comprising:

[0006] A first connector extends in a direction parallel to the direction of movement of the output end of the tensile testing machine. The first connector has a first end and a second end disposed opposite to each other. The first end is used to connect to the tensile testing machine.

[0007] A second connector is connected to the second end of the first connector;

[0008] A fixed rod having a fixed end and a free end disposed opposite to each other, a second connecting member being connected to the fixed end of the fixed rod, and the extending direction of the fixed rod being perpendicular to the extending direction of the first connecting member;

[0009] The fixing rods of the two sets of clamp assemblies are arranged parallel and opposite to each other.

[0010] In some embodiments of this disclosure, the first end of the first connector is provided with a fixing part, which is used for detachable connection to the tensile testing machine.

[0011] In some embodiments of this disclosure, the fixing part includes three fixing holes, which are spaced apart on a cross section perpendicular to the extending direction of the first connector.

[0012] In some embodiments of this disclosure, the clamp assembly further includes: a first fixing ring having a first end and a second end disposed opposite to each other, the first end of the first fixing ring being sleeved on the second end of the first connector, the periphery of the first fixing ring being provided with at least two connecting holes, each connecting hole cooperating with a fixing screw, the fixing screw passing through the connecting hole and abutting against the first connector, and the second end of the first fixing ring being directly or indirectly connected to the second connector.

[0013] In some embodiments of this disclosure, the clamp assembly further includes: a second retaining ring having a first end and a second end disposed opposite to each other, the first end of the second retaining ring being threadedly connected to the second end of the first retaining ring, and the second end of the second retaining ring being threadedly connected to the second connector.

[0014] In some embodiments of this disclosure, the second connecting member includes a first connecting rod, a second connecting rod, and a third connecting rod connected in sequence. The first connecting rod and the third connecting rod are arranged parallel to each other, the first connecting rod and the second connecting rod are arranged perpendicular to each other, the second connecting rod is arranged parallel to the fixing rod, the end of the first connecting rod opposite to the second connecting rod is connected to the first connecting member, and the end of the third connecting rod opposite to the second connecting rod is connected to the fixed end of the fixing rod.

[0015] In some embodiments of this disclosure, the second connector further includes a first reinforcing rib, which connects the first connecting rod and the second connecting rod.

[0016] In some embodiments of this disclosure, the second connector further includes a second reinforcing rib, which connects the second connecting rod and the third connecting rod.

[0017] In some embodiments of this disclosure, the clamp assembly further includes a fixing nut, a spring plate, and a washer sleeved on the fixing end of the fixing rod. The spring plate is located between the fixing nut and the washer. The fixing end passes through the second connector and is threadedly engaged with the second connector. The fixing nut is threadedly engaged with the fixing end and abuts against the second connector through the spring plate and the washer.

[0018] A second aspect of this disclosure provides a tensile testing machine system, the tensile testing machine system including a tensile testing machine and a clamp for testing the tensile properties of a bra, the tensile testing machine having a fixed part and a movable part disposed opposite to each other, two clamp assemblies respectively disposed on the fixed part and the movable part, the fixing rods of the two clamp assemblies being parallel and opposite to each other, and the clamp for testing the tensile properties of the bra being a clamp for testing the tensile properties of a bra according to any of the above embodiments.

[0019] According to an embodiment of the present disclosure, a clamp and tensile testing machine system for testing the tensile properties of a bra includes two sets of clamp assemblies arranged opposite each other. Each clamp assembly includes a first connector, a second connector, and a fixing rod. The second connector connects the first connector and the fixing rod, and the extension direction of the first connector is perpendicular to the extension direction of the fixing rod. The first connector is used to connect to the output end of the tensile testing machine, and the extension direction of the first connector is parallel to the movement direction of the output end of the tensile testing machine, i.e., the movement direction of the output end of the tensile testing machine is perpendicular to the extension direction of the fixing rod. Specifically, the fixing rods of the two sets of clamp assemblies are arranged opposite and parallel to each other. The fixing rod of each set of clamp assemblies is located close to the fixing rod of the other set of clamp assemblies, i.e., the first connector of each set of clamp assemblies is located on the side of the fixing rod away from the other set of clamp assemblies. When using the clamps for testing the stretch performance of bras, the fixing rods of the two clamp assemblies extend into the closed ring structure formed by the bra. As at least one clamp assembly moves away from the other clamp assembly, the fixing rods of both clamp assemblies gradually change the ring structure from a relaxed state to a taut state from inside the closed ring structure. This stretches the bra from within the ring structure, performing a stretch limit test on the overall structure to obtain the overall stretch data. Based on this data, the stretch performance of the bra is improved, leading to the design of bra products with good stretch performance and extensibility, thereby enhancing user comfort. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the tensile testing machine system according to an embodiment of the present disclosure;

[0021] Figure 2 for Figure 1 The diagram shows a structural schematic of a clamp assembly used to test the tensile properties of a bra.

[0022] The labels in the attached diagram are as follows:

[0023] 100. Tensile testing machine system;

[0024] 10. A clamp for testing the tensile properties of a bra; 11. A clamp assembly; 111. A first connector; 1111. A fixing part; 112. A second connector; 1121. A first connecting rod; 1122. A second connecting rod; 1123. A third connecting rod; 1124. A first reinforcing rib; 1125. A second reinforcing rib; 113. A fixing rod; 114. A first fixing ring; 115. A second fixing ring; 116. A fixing nut; 117. A spring plate; 118. A fixing bolt;

[0025] 20. Tensile testing machine; 21. Output end. Detailed Implementation

[0026] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0027] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0028] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0029] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented as "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0030] like Figure 1 , Figure 2 As shown, a first aspect of this disclosure provides a fixture 10 for testing the tensile properties of a bra. The fixture is applied to a tensile testing machine 20. The fixture 10 for testing the tensile properties of a bra includes: a first connector 111, a second connector 112, and a fixing rod 113. Specifically, the extension direction of the first connector 111 is parallel to the movement direction of the output end 21 of the tensile testing machine 20. The first connector 111 has a first end and a second end that are disposed opposite to each other. The first end of the first connector 111 is used to connect to the tensile testing machine 20. The second connector 112 is connected to the second end of the first connector 111. The fixing rod 113 has a fixed end and a free end that are disposed opposite to each other. The second connector 112 is connected to the fixed end of the fixing rod 113. The extension direction of the fixing rod 113 is perpendicular to the extension direction of the first connector 111.

[0031] The clamp 10 disclosed herein for testing the tensile properties of bras includes two clamp assemblies 11, which are arranged opposite to each other. Each clamp assembly 11 includes a first connector 111, a second connector 112, and a fixing rod 113. The second connector 112 connects the first connector 111 and the fixing rod 113, and the extension direction of the first connector 111 is perpendicular to the extension direction of the fixing rod 113. The first connector 111 is used to connect to the output end 21 of the tensile testing machine 20, and the extension direction of the first connector 111 is parallel to the movement direction of the output end 21 of the tensile testing machine 20, that is, the movement direction of the output end 21 of the tensile testing machine 20 is perpendicular to the extension direction of the fixing rod 113. Specifically, the fixing rods 113 of the two sets of clamping assemblies 11 are arranged opposite to each other and in parallel. The fixing rod 113 of each set of clamping assemblies 11 is arranged close to the fixing rod 113 of the other set of clamping assemblies 11. That is, the first connecting member 111 of each set of clamping assemblies 11 is located on the side of the fixing rod 113 away from the other set of clamping assemblies 11. When the clamp 10 used for testing the stretch performance of a bra is in use, the fixing rods 113 of the two sets of clamp assemblies 11 extend into the closed ring structure formed by the bra. When at least one set of clamp assemblies 11 moves away from the other set of clamp assemblies 11, the fixing rods 113 of the two sets of clamp assemblies 11 gradually change the ring structure from a relaxed state to a taut state from inside the closed ring structure formed by the bra, so as to stretch the bra from inside the ring structure and perform a stretch limit test on the overall structure of the bra to obtain the stretch data of the overall structure of the bra. Then, based on the stretch data of the overall structure of the bra, the stretch performance of the bra is improved, thereby designing a bra product with good stretch performance and good extensibility, and thus improving the user's wearing comfort.

[0032] It should be noted that the closed loop structure formed by the bra in this embodiment refers to the closed loop structure formed by the connection between the front and back pieces of the bra. Specifically, the front and back pieces of the bra can be a fixedly connected loop structure, or the front and back pieces can be connected by detachable connection structures such as buckles, Velcro, or hooks to form a detachable loop structure. Furthermore, the output end 21 of the tensile testing machine 20 specifically refers to the end of the tensile testing machine 20 that can output linear motion.

[0033] In some embodiments of this disclosure, the first end of the first connector 111 is provided with a fixing part 1111, which is used for detachable connection to the tensile testing machine 20. The first connector 111 is detachably connected to the output end 21 of the tensile testing machine 20 through the fixing part 1111 at its first end, thereby facilitating the disassembly of the clamp assembly 11 from the tensile testing machine 20. Specifically, the fixing part 1111 can be a threaded structure, a snap-fit ​​structure, a pin structure, etc.

[0034] In some embodiments of this disclosure, the fixing part 1111 includes three fixing holes, which are spaced apart on a cross section perpendicular to the extending direction of the first connecting member 111. Specifically, the first connecting member 111 is a cylindrical structure, and the three fixing holes are spaced apart and evenly distributed along the circumferential sidewall of the cylindrical first connecting member 111. Furthermore, the three fixing holes are located on the same cross section perpendicular to the axis of the cylindrical structure to ensure uniform stress distribution on the cylindrical first connecting member 111 and improve its service life. Correspondingly, the output end 21 of the tensile testing machine 20 can be provided with corresponding fixing connection holes (not shown in the figure). The number of fixing connection holes is the same as the number of fixing holes, and the fixing connection holes are arranged in a one-to-one correspondence with the fixing holes. The corresponding fixing holes are connected to each other by fixing bolts (not shown in the figure), thereby achieving a detachable connection between the first connecting member 111 and the tensile testing machine 20.

[0035] In some embodiments of this disclosure, the clamp assembly 11 further includes a first retaining ring 114, which has a first end and a second end disposed opposite to each other. The first end of the first retaining ring 114 is sleeved on the second end of the first connecting member 111 of the cylindrical structure. The circumference of the first retaining ring 114 is provided with at least two connecting holes (not shown in the figure), each connecting hole cooperating with a fixing bolt 118. The fixing bolt 118 passes through the connecting hole and abuts against the outer wall of the first connecting member 111. The second end of the first retaining ring 114 is directly or indirectly connected to the second connecting member 112. The first retaining ring 114 enables a detachable connection between the first connecting member 111 and the second connecting member 112.

[0036] Furthermore, the relative position of the first connecting member 111 and the first fixing ring 114 along the axial direction of the first connecting member 111 can be adjusted. Specifically, the fixing bolt 118 is removed from the connecting hole of the first fixing ring 114, and the relative position of the first connecting member 111 and the first fixing ring 114 is adjusted along the axial direction of the first connecting member 111. After adjustment, the first connecting member 111 and the first fixing ring 114 are fixed by the fixing bolt 118. By adjusting the relative distance between the first connecting member 111 and the first fixing ring 114, the total length of the assembled first connecting member 111 and the first fixing ring 114 can be adjusted to adapt to the use of different products.

[0037] In some embodiments of this disclosure, the clamp assembly 11 further includes a second retaining ring 115, which has a first end and a second end disposed opposite to each other. The first end of the second retaining ring 115 is threadedly connected to the second end of the first retaining ring 114. Specifically, the second end of the first retaining ring 114 is provided with an internal thread, and the first end of the second retaining ring 115 is provided with an external thread. The threaded connection between the first retaining ring 114 and the second retaining ring 115 is achieved through the engagement of the internal thread at the second end of the first retaining ring 114 and the external thread at the first end of the second retaining ring 115. Alternatively, the second end of the first retaining ring 114 may be provided with an external thread, and the first end of the second retaining ring 115 may be provided with an internal thread. The detachable connection between the first retaining ring 114 and the second retaining ring 115 is achieved through the engagement of the external and internal threads. The second end of the second fixing ring 115 is threadedly connected to the second connecting member 112. Specifically, the second end of the second fixing ring 115 is provided with an internal thread, and the end of the second connecting member 112 facing away from the fixing rod 113 is provided with an external thread. The second fixing ring 115 and the fixing rod 113 are detachably connected through the cooperation of the internal thread and the external thread.

[0038] In some embodiments of this disclosure, the second connecting member 112 includes a first connecting rod 1121, a second connecting rod 1122, and a third connecting rod 1123 connected in sequence. The first connecting rod 1121 and the third connecting rod 1123 are arranged parallel to each other, the first connecting rod 1121 and the second connecting rod 1122 are arranged perpendicular to each other, the second connecting rod 1122 is arranged parallel to the fixing rod 113, the end of the first connecting rod 1121 facing away from the second connecting rod 1122 is directly or indirectly connected to the first connecting member 111, and the end of the third connecting rod 1123 facing away from the second connecting rod 1122 is connected to the fixed end of the fixing rod 113. Specifically, the first connecting rod 1121 is a cylindrical structure or a round rod structure. The end of the first connecting rod 1121 opposite to the second connecting rod 1122 has an external thread that mates with the internal thread of the second fixing ring 115; or the end of the first connecting rod 1121 opposite to the second connecting rod 1122 has a cylindrical or round rod connecting end, with either the cylindrical or round rod connecting end having an external thread. The first connecting rod 1121 and the second fixing ring 115 are detachably connected through the mating of the internal and external threads. The first connecting rod 1121 is detachably connected to the first connecting member 111 through the second fixing ring 115 and the first fixing ring 114.

[0039] In some embodiments of this disclosure, the second connector 112 further includes a first reinforcing rib 1124, which connects the first connecting rod 1121 and the second connecting rod 1122. The first reinforcing rib 1124 improves the connection strength between the first connecting rod 1121 and the second connecting rod 1122.

[0040] In some embodiments of this disclosure, the second connector 112 further includes a second reinforcing rib 1125, which connects the second connecting rod 1122 and the third connecting rod 1123. The second reinforcing rib 1125 improves the connection strength between the second connecting rod 1122 and the third connecting rod 1123.

[0041] In some embodiments of this disclosure, the clamp assembly 11 further includes a fixing nut 116, a spring plate 117, and a washer (not shown in the figure) sleeved on the fixing end of the fixing rod 113. The fixing rod 113 is connected to the second connecting member 112 through the fixing nut 116, the spring plate 117, and the washer. The end of the second connecting member 112 opposite to the first connecting member 111 is provided with a threaded hole. Specifically, the end of the third connecting rod 1123 of the second connecting member 112 opposite to the second connecting rod 1122 is provided with a threaded hole. The fixing end of the fixing rod 113 is provided with an external thread that mates with the threaded hole of the third connecting rod 1123. The connection between the third connecting rod 1123 and the fixing rod 113 is achieved through the mating of the threaded hole of the third connecting rod 1123 and the external thread of the fixing rod 113. Furthermore, the fixing nut 116 is sleeved on the fixing rod 113 and engages with the external thread of the fixing end of the fixing rod 113. The fixing nut 116 is located on the side of the third connecting rod 1123 away from the free end of the fixing rod 113. By rotating the fixing nut 116 and moving it toward the free end of the fixing rod 113, the fixing nut 116 gradually comes into direct or indirect contact with the third connecting rod 1123, thereby locking the fixing rod 113 and the third connecting rod 1123 and improving the connection reliability between the fixing rod 113 and the third connecting rod 1123. A spring plate 117 and a washer are provided between the fixing nut 116 and the third screw. Along the direction from the free end to the fixed end of the fixing rod 113, the threaded hole of the third fixing rod 113, the washer, the spring plate 117, and the fixing nut 116 are sequentially sleeved on the fixed end of the fixing rod 113. The fixing nut 116 abuts against the third connecting rod 1123 through the spring plate 117 and the washer to prevent the fixing nut 116 from directly contacting the third connecting rod 1123 and causing excessive stress on both of them, which could lead to damage.

[0042] The second aspect of this disclosure provides a tensile testing machine system 100, which includes a tensile testing machine 20 and a clamp 10 for testing the tensile properties of a bra. The tensile testing machine 20 has a fixed part 1111 and a movable part arranged opposite to each other. Two clamp assemblies 11 are respectively provided on the fixed part 1111 and the movable part. The fixing rods 113 of the two clamp assemblies 11 are parallel and arranged opposite to each other. The clamp 10 for testing the tensile properties of the bra is a clamp 10 for testing the tensile properties of a bra according to any of the above embodiments.

[0043] A tensile testing machine system 100 according to an embodiment of this disclosure includes a tensile testing machine 20 and a clamp 10 for testing the tensile performance of a bra. The clamp 10 for testing the tensile performance of the bra includes two sets of clamp assemblies 11 arranged opposite to each other. Specifically, the fixing rods 113 of the two sets of clamp assemblies 11 are arranged opposite to each other and parallel to each other. The fixing rod 113 of each set of clamp assemblies 11 is arranged close to the fixing rod 113 of the other set of clamp assemblies 11. That is, the first connecting member 111 of each set of clamp assemblies 11 is located on the side of the fixing rod 113 away from the other set of clamp assemblies 11. When the clamp 10 used for testing the stretch performance of a bra is in use, the fixing rods 113 of the two sets of clamp assemblies 11 extend into the closed ring structure formed by the bra. When at least one set of clamp assemblies 11 moves away from the other set of clamp assemblies 11, the fixing rods 113 of the two sets of clamp assemblies 11 gradually change the ring structure from a relaxed state to a taut state from inside the closed ring structure formed by the bra, so as to stretch the bra from inside the ring structure and perform a stretch limit test on the overall structure of the bra to obtain the stretch data of the overall structure of the bra. Then, based on the stretch data of the overall structure of the bra, the stretch performance of the bra is improved, thereby designing a bra product with good stretch performance and good extensibility, and thus improving the user's wearing comfort.

[0044] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of this disclosure, and this disclosure is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and substance of this disclosure, and these modifications and improvements are also considered to be within the scope of protection of this disclosure.

Claims

1. A clamp for testing the tensile properties of a bra, the clamp being used in a tensile testing machine, characterized in that, The clamp for testing the stretch performance of a bra includes: two sets of clamp assemblies arranged opposite each other, each clamp assembly including: A first connector extends in a direction parallel to the direction of movement of the output end of the tensile testing machine. The first connector has a first end and a second end disposed opposite to each other. The first end is used to connect to the tensile testing machine. A second connector is connected to the second end of the first connector; A fixed rod having a fixed end and a free end disposed opposite to each other, a second connecting member being connected to the fixed end of the fixed rod, and the extending direction of the fixed rod being perpendicular to the extending direction of the first connecting member; The fixing rods of the two sets of clamp assemblies are arranged parallel and opposite to each other.

2. The clamp for testing the tensile properties of a bra according to claim 1, characterized in that, The first end of the first connector is provided with a fixing part, which is used for detachable connection to the tensile testing machine.

3. The clamp for testing the tensile properties of a bra according to claim 2, characterized in that, The fixing part includes three fixing holes, which are spaced apart on a cross section perpendicular to the extension direction of the first connector.

4. The clamp for testing the tensile properties of a bra according to claim 1, characterized in that, The clamp assembly includes: a first fixing ring having a first end and a second end disposed opposite to each other; the first end of the first fixing ring being sleeved on the second end of the first connector; at least two connecting holes being provided on the periphery of the first fixing ring; each connecting hole cooperating with a fixing screw; the fixing screw passing through the connecting hole and abutting against the first connector; and the second end of the first fixing ring being directly or indirectly connected to the second connector.

5. The fixture for testing the tensile properties of a bra according to claim 4, characterized in that, The clamp assembly includes: a second fixing ring having a first end and a second end disposed opposite to each other, the first end of the second fixing ring being threadedly connected to the second end of the first fixing ring, and the second end of the second fixing ring being threadedly connected to the second connector.

6. The clamp for testing the tensile properties of a bra according to claim 1, characterized in that, The second connector includes a first connecting rod, a second connecting rod, and a third connecting rod connected in sequence. The first connecting rod and the third connecting rod are arranged parallel to each other, the first connecting rod and the second connecting rod are arranged perpendicular to each other, the second connecting rod is arranged parallel to the fixed rod, the end of the first connecting rod opposite to the second connecting rod is connected to the first connector, and the end of the third connecting rod opposite to the second connecting rod is connected to the fixed end of the fixed rod.

7. The clamp for testing the tensile properties of a bra according to claim 6, characterized in that, The second connector further includes a first reinforcing rib, which connects the first connecting rod and the second connecting rod.

8. The fixture for testing the tensile properties of a bra according to claim 6, characterized in that, The second connector also includes a second reinforcing rib, which connects the second connecting rod and the third connecting rod.

9. The clamp for testing the tensile properties of a bra according to claim 1, characterized in that, The clamp assembly includes: a fixing nut, a spring plate, and a washer sleeved on the fixing end of the fixing rod; the spring plate is located between the fixing nut and the washer; the fixing end passes through the second connector and is threadedly engaged with the second connector; the fixing nut is threadedly engaged with the fixing end and abuts against the second connector through the spring plate and the washer.

10. A tensile testing machine system, characterized in that, The tensile testing machine system includes a tensile testing machine and a fixture for testing the tensile properties of a bra. The tensile testing machine has a fixed part and a movable part arranged opposite to each other. The two sets of fixture assemblies for testing the tensile properties of the bra are respectively disposed on the fixed part and the movable part. The fixing rods of the two sets of fixture assemblies are parallel and arranged opposite to each other. The fixture for testing the tensile properties of the bra is the fixture for testing the tensile properties of a bra according to any one of claims 1 to 9.

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