Torsion testing device and system

Abstract

The utility model relates to a torsion testing device and system, the torsion testing device comprises a base unit, a first stabilizing unit, a chassis unit, a control unit and a second stabilizing unit, the base unit is arranged on a horizontal plane; the first stabilizing unit is arranged at the top end of the base unit, detachably connected with the first end of the windscreen wiper and used for fixing the first end of the windscreen wiper. The bottom frame unit is movably arranged at the top end of the base unit and movably connected with the base unit. The fixing device has the advantages that the windscreen wiper is fixed through cooperative use of the first stabilizing unit and the second stabilizing unit so as to improve convenience, and the distance between the first stabilizing unit and the second stabilizing unit is adjusted through cooperative use of the bottom frame unit and the base unit so as to adapt to windscreen wipers of different sizes; the underframe unit is fixed through cooperation between the first limiting unit and the second limiting unit, so that the test stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to automobile wiper testing equipment, and in particular to a torque testing device and system. Background Art

[0002] As a safety prototype of the whole vehicle, automobile wipers are widely valued by vehicle manufacturers. The wipers remove rain, snow, dust and other debris from the windshield, provide the driver with a clear driving view on rainy and snowy days, and ensure the driver's safe driving. The wiper consists of four major component systems: wiper motor, connecting rod mechanism, wiper arm and wiper blade. The wiper arm is a key actuator for transmitting motor power and controlling the running trajectory of the wiper blade. The guarantee of its torque parameters is crucial to the entire wiper system. The wiper arm torque has a direct impact on the vibration, noise and wiping quality of the wiper system. Therefore, in the early stage of design, it is particularly important to accurately control and easily operate the wiper arm torque detection.

[0003] The existing windshield wiper torque detection device is very inconvenient to adjust and fix during use, has low working efficiency, has a great impact on the test data, and results in an inaccurate structure. Different detection devices need to be used for different models of wipers, which has poor applicability and increases production costs.

[0004] Currently, no effective solution has been proposed for the problems of inconvenient adjustment and poor applicability of the wiper torque detection device in the related art. Utility Model Content

[0005] The purpose of the utility model is to provide a torque testing device and system to solve the problems of inconvenient adjustment and poor applicability of the windshield wiper torque detection device in the related art in view of the deficiencies in the prior art.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] In a first aspect, a torque testing device is provided for testing the torque value of a wiper, comprising:

[0008] A base unit, wherein the base unit is disposed on a horizontal plane;

[0009] A first stabilizing unit, which is disposed at a top end of the base unit and is detachably connected to the first end of the wiper, and is used to fix the first end of the wiper;

[0010] A chassis unit, the chassis unit is movably disposed on the top of the base unit and movably connected to the base unit, and is used for reciprocating along the length direction of the base unit;

[0011] A control unit, which is disposed at the top of the base unit and connected to the base unit, and is used to reciprocate along the length direction of the base unit under the action of the base unit;

[0012] A second stabilizing unit, the second stabilizing unit is movably arranged above the base unit, and is connected to the output end of the control unit, and is detachably connected to the second end of the wiper, and is used for reciprocating along the length direction of the base unit under the action of the control unit to adjust the distance between the second stabilizing unit and the first stabilizing unit, and rotating under the action of the control unit to fix the second end of the wiper.

[0013] In some of these embodiments, the base unit comprises:

[0014] A base element, the base element is disposed on a horizontal plane and connected to the first stabilizing unit;

[0015] a first guide element, the first guide element being disposed inside the base element and connected to the chassis unit;

[0016] The second guide element is arranged inside the base element and at the rear end of the first guide element, and is connected to the base frame unit.

[0017] In some embodiments, the first stabilizing unit includes:

[0018] a first supporting element, the first supporting element being disposed at a top end of the base unit and connected to the base unit;

[0019] a first mounting element, the first mounting element being disposed at a side end of the first supporting element and connected to the first supporting element;

[0020] a first groove element, the first groove element being disposed at a side end of the first mounting element and being detachably connected to a first end of the wiper;

[0021] a first connecting element, the first connecting element being disposed on the first mounting element and communicating with the first slot element;

[0022] a first operating element, the first operating element being rotatably connected to the first connecting element, a first end of the first operating element being located inside the first slot element, and a second end of the first operating element being located outside the first mounting element;

[0023] A first stabilizing element is movably disposed inside the first groove element and connected to the first end of the first operating element and abutted against the first end of the wiper to fix the first end of the wiper.

[0024] In some of the embodiments, the chassis unit comprises:

[0025] A base element, the base element is movably disposed inside the base unit and is used for reciprocating along the length direction of the base unit;

[0026] a second connecting element, the second connecting element being arranged through the base element and being slidably connected to the base unit;

[0027] a third connecting element, the third connecting element being arranged through the base element and being slidably connected to the base unit;

[0028] The second supporting element is arranged at the top of the base element and is respectively connected to the base element and the control unit.

[0029] In some of the embodiments, the control unit includes:

[0030] The second operating element is arranged at the top of the base unit and is respectively connected to the base unit and the second stabilizing unit, and is used for reciprocating along the length direction of the base unit under the action of the base unit and driving the second stabilizing unit to rotate.

[0031] In some embodiments, the second stabilizing unit includes:

[0032] a second mounting element, the second mounting element being movably disposed above the base unit and connected to an output end of the control unit;

[0033] a second groove element, the second groove element being disposed at a side end of the second mounting element and being detachably connected to a second end of the wiper;

[0034] a fourth connecting element, the fourth connecting element being disposed on the second mounting element and communicating with the second slot element;

[0035] a third operating element, the third operating element being rotatably connected to the fourth connecting element, the first end of the third operating element being located inside the second slot element, and the second end of the third operating element being located outside the second mounting element;

[0036] The second stabilizing element is movably disposed inside the second groove element and is connected to the first end of the third operating element and abuts against the second end of the wiper to fix the second end of the wiper.

[0037] The torque testing device further comprises:

[0038] A first limiting unit is movably disposed inside the base unit, abuts against a first end of the chassis unit, and is movably connected to the base unit, for limiting a movement range of the chassis unit.

[0039] The torque testing device further comprises:

[0040] The second limiting unit is movably arranged inside the base unit, abuts against the second end of the chassis unit, and is movably connected to the base unit, so as to limit the movement range of the chassis unit.

[0041] In some embodiments, the first limiting unit includes:

[0042] A first limiting element is movably disposed inside the base unit, abuts against a first end of the chassis unit, and is movably connected to the base unit, for limiting a movement range of the chassis unit.

[0043] In some embodiments, the second limiting unit includes:

[0044] The second limiting element is movably disposed inside the base unit, abuts against the second end of the chassis unit, and is movably connected to the base unit, so as to limit the movement range of the chassis unit.

[0045] In a second aspect, a torque testing system is provided, comprising:

[0046] The torque testing device as described in the first aspect;

[0047] A torque testing device is connected to the control unit of the torque testing device and is used to test the torque value.

[0048] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0049] The utility model provides a torque testing device and system, which utilizes the cooperation between a first stabilizing unit and a second stabilizing unit to fix the wiper to improve convenience, utilizes the cooperation between a chassis unit and a base unit to adjust the distance between the first stabilizing unit and the second stabilizing unit to adapt to wipers of different sizes, thereby improving applicability; utilizes the cooperation between a first limiting unit and a second limiting unit to fix the chassis unit to improve test stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 1 is a schematic diagram of the three-dimensional structure of a torque testing device according to an embodiment of the utility model;

[0051] Figure 2 2 is a schematic diagram of the three-dimensional structure of the torque testing device according to an embodiment of the utility model;

[0052] Figure 3 is a schematic diagram of the three-dimensional structure of a base unit according to an embodiment of the utility model;

[0053] Figure 4 is an exploded view of a first stabilizing unit according to an embodiment of the utility model;

[0054] Figure 5 is a schematic diagram of the three-dimensional structure of the chassis unit according to an embodiment of the utility model;

[0055] Figure 6 is a schematic diagram of the three-dimensional structure of a control unit according to an embodiment of the utility model;

[0056] Figure 7 is an exploded view of a second stabilizing unit according to an embodiment of the utility model;

[0057] Figure 8 3 is a schematic diagram of the three-dimensional structure of the torque testing device according to an embodiment of the utility model;

[0058] Fig. 9 is a schematic diagram of the three-dimensional structure of the first limiting unit according to an embodiment of the utility model;

[0059] Fig.10 is a schematic diagram of the three-dimensional structure of the second limiting unit according to an embodiment of the utility model;

[0060] Fig.11 It is a schematic structural diagram of a wiper device and a torque testing device according to an embodiment of the utility model;

[0061] Fig.12 It is a structural schematic diagram of a torque testing system according to an embodiment of the utility model.

[0062] The accompanying drawings are denoted by: 100, torque testing device;

[0063] 110, base unit; 111, base element; 112, first guide element; 113, second guide element;

[0064] 120, first stabilizing unit; 121, first supporting element; 122, first mounting element; 123, first slot element; 124, first connecting element; 125, first operating element; 126, first stabilizing element;

[0065] 130, chassis unit; 131, base element; 132, second connecting element; 133, third connecting element; 134, second supporting element;

[0066] 140. control unit; 141. second control element;

[0067] 150, second stabilizing unit; 151, second mounting element; 152, second slot element; 153, fourth connecting element; 154, third operating element; 155, second stabilizing element;

[0068] 160. A first limiting unit; 161. A first limiting element;

[0069] 170. A second limiting unit; 171. A second limiting element;

[0070] 200. Torque testing equipment;

[0071] A. Wiper device. DETAILED DESCRIPTION

[0072] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0073] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0074] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0075] Example 1

[0076] This embodiment relates to a torque testing device of the utility model.

[0077] like Figure 1, Figure 2 As shown, a torque testing device 100 is used to test the torque value of a wiper, and includes a base unit 110 , a first stabilizing unit 120 , a base unit 130 , a control unit 140 and a second stabilizing unit 150 . The base unit 110 is arranged on a horizontal plane; the first stabilizing unit 120 is arranged at the top of the base unit 110 and is detachably connected to the first end of the wiper, so as to fix the first end of the wiper; the frame unit 130 is movably arranged at the top of the base unit 110 and is movably connected to the base unit 110, so as to reciprocate along the length direction of the base unit 110; the control unit 140 is arranged at the top of the frame unit 130 and is connected to the frame unit 130, so as to reciprocate along the length direction of the base unit 110 under the action of the frame unit 130; the second stabilizing unit 150 is movably arranged above the base unit 110, and is connected to the output end of the control unit 140, and is detachably connected to the second end of the wiper, so as to reciprocate along the length direction of the base unit 110 under the action of the control unit 140 to adjust the distance between the second stabilizing unit 150 and the first stabilizing unit 120, and rotate under the action of the control unit 140 to fix the second end of the wiper.

[0078] like Figure 3 The base unit 110 includes a base element 111, a first guide element 112, and a second guide element 113. The base element 111 is disposed on a horizontal plane and connected to the first stabilizing unit 120; the first guide element 112 is disposed inside the base element 111 and connected to the base frame unit 130; the second guide element 113 is disposed inside the base element 111 and located at the rear end of the first guide element 112 and connected to the base frame unit 130.

[0079] The base element 111 is a structure with a hollow top and a closed bottom.

[0080] In some of the embodiments, the base element 111 is made of metal.

[0081] In some of the embodiments, the base element 111 is a substrate.

[0082] The first guide element 112 has a circular cross section.

[0083] The size of the first guide element 112 matches the size of the base element 111. Generally, the diameter of the first guide element 112 is smaller than the inner width and inner height of the base element 111, and the axial size of the first guide element 112 is equal to the inner length of the base element 111.

[0084] In some of the embodiments, the first guide element 112 is fixedly connected to the base element 111 , including but not limited to welding.

[0085] In some embodiments, the first guide element 112 is made of metal.

[0086] In some embodiments, the first guide element 112 is a first threaded rod.

[0087] The cross section of the second guide element 113 is circular.

[0088] The size of the second guide element 113 matches the size of the base element 111. Generally, the diameter of the second guide element 113 is smaller than the inner width and inner height of the base element 111, and the axial size of the second guide element 113 is equal to the inner length of the base element 111.

[0089] The size of the second guide element 113 matches the size of the first guide element 112. Generally, the diameter of the second guide element 113 is equal to the diameter of the first guide element 112, and the axial size of the second guide element 113 is equal to the axial size of the first guide element 112.

[0090] In some of the embodiments, the second guide element 113 is fixedly connected to the base element 111 , including but not limited to welding.

[0091] In some of the embodiments, the second guide element 113 is made of metal.

[0092] In some of the embodiments, the second guide element 113 is a second threaded rod.

[0093] like Figure 4As shown, the first stabilizing unit 120 includes a first supporting element 121 , a first mounting element 122 , a first slot element 123 , a first connecting element 124 , a first operating element 125 and a first stabilizing element 126 . Among them, the first supporting element 121 is arranged at the top of the base unit 110 and is connected to the base unit 110; the first mounting element 122 is arranged at the side end of the first supporting element 121 and is connected to the first supporting element 121; the first groove element 123 is arranged at the side end of the first mounting element 122 and is detachably connected to the first end of the wiper; the first connecting element 124 is arranged on the first mounting element 122 and is connected to the first groove element 123; the first operating element 125 is rotatably connected to the first connecting element 124, the first end of the first operating element 125 is located inside the first groove element 123, and the second end of the first operating element 125 is located outside the first mounting element 122; the first stabilizing element 126 is movably arranged inside the first groove element 123, and is connected to the first end of the first operating element 125, and abuts against the first end of the wiper, for fixing the first end of the wiper.

[0094] Specifically, the first supporting element 121 is disposed at the top end of the base element 111 , located between the first guiding element 112 and the second guiding element 113 , and connected to the base element 111 .

[0095] The cross section of the first supporting element 121 is rectangular.

[0096] The size of the first support element 121 matches the size of the base element 111. Generally, the length of the first support element 121 is smaller than the inner width of the base element 111, the width of the first support element 121 is smaller than the inner length of the base element 111, and the height of the first support element 121 is smaller than the outer height of the base element 111.

[0097] In some of the embodiments, the second guide element 113 is fixedly connected to the base element 111 , including but not limited to welding.

[0098] In some embodiments, the first supporting element 121 is made of metal.

[0099] In some embodiments, the first supporting element 121 is a first supporting plate.

[0100] The first mounting element 122 has a circular cross section.

[0101] The size of the first mounting element 122 matches the size of the first supporting element 121. Generally, the radial size of the first mounting element 122 is smaller than the length and height of the first supporting element 121, and the axial size of the first mounting element 122 is larger than the width of the first supporting element 121.

[0102] In some of the embodiments, the first mounting element 122 is fixedly connected to the second guide element 113, including but not limited to welding.

[0103] In some embodiments, the first installation element 122 is made of metal.

[0104] In some embodiments, the first mounting element 122 is a first mounting sleeve.

[0105] The cross section of the first trough member 123 is a regular hexagon.

[0106] The size of the first trough member 123 matches the size of the first mounting member 122. Generally, the radial size of the first trough member 123 is smaller than the radial size of the first mounting member 122. The axial size of the first trough member 123 is smaller than the axial size of the first mounting member 122.

[0107] In some of the embodiments, the first slot member 123 is a first mounting slot.

[0108] The first connecting element 124 has a circular cross section.

[0109] The size of the first connecting element 124 matches the size of the first mounting element 122. Generally, the diameter of the first connecting element 124 is smaller than the radial size and axial size of the first mounting element 122, and the axial size of the first connecting element 124 is smaller than the radial size of the first mounting element 122.

[0110] Specifically, the axial dimension of the first connecting element 124 is equal to the maximum inner wall thickness generated by the first mounting element 122 and the first slot element 123 .

[0111] In some embodiments, the first connecting element 124 is a first threaded hole.

[0112] In some embodiments, the first operating element 125 includes a first screw and a first rocker. Specifically, the first screw is connected to the first connecting element 124, the first end of the first screw is located inside the first slot element 123 and connected to the first stabilizing element 126, and the second end of the first screw is located outside the first mounting element 122; the first rocker is disposed at the second end of the first screw and connected to the first screw for rotating the first screw.

[0113] The size of the first screw rod matches the size of the first connecting element 124. Generally, the diameter of the first screw rod is equal to the diameter of the first connecting element 124, and the axial dimension of the first screw rod is greater than the axial dimension of the first connecting element 124.

[0114] The size of the first rocking plate matches the size of the first mounting element 122. Generally, the radial dimension of the outer edge surface of the first rocking plate is not greater than the radial dimension of the first mounting element 122.

[0115] The size of the first rocking plate matches the size of the first screw rod. Generally, the radial size of the first rocking plate is greater than the diameter of the first screw rod.

[0116] In some embodiments, the first operating element 125 is made of metal.

[0117] The first stabilizing element 126 has a circular cross section.

[0118] The size of the first stabilizing element 126 matches the size of the first screw rod. Generally, the diameter of the first stabilizing element 126 is larger than the diameter of the first screw rod, and the axial dimension of the first stabilizing element 126 is smaller than the axial dimension of the first screw rod.

[0119] The size of the first stabilizing element 126 matches the size of the first trough element 123. Generally, the diameter of the first stabilizing element 126 is smaller than the radial size and axial size of the first trough element 123, and the axial size of the first stabilizing element 126 is smaller than the radial size of the first trough element 123.

[0120] In some embodiments, the first stabilizing element 126 is fixedly connected to the first operating element 125 , including but not limited to welding.

[0121] In some embodiments, the first stabilizing element 126 is made of metal.

[0122] In some embodiments, the first stabilizing element 126 is a first stabilizing plate.

[0123] like Figure 5 As shown, the chassis unit 130 includes a base element 131, a second connecting element 132, a third connecting element 133 and a second supporting element 134. The base element 131 is movably disposed inside the base unit 110, and is used for reciprocating along the length direction of the base unit 110; the second connecting element 132 is disposed through the base element 131, and is slidably connected to the base unit 110; the third connecting element 133 is disposed through the base element 131, and is slidably connected to the base unit 110; the second supporting element 134 is disposed at the top of the base element 131, and is respectively connected to the base element 131 and the control unit 140.

[0124] Specifically, the base element 131 is movably disposed inside the base element 111 ; the second connecting element 132 is slidably connected to the first guiding element 112 ; and the third connecting element 133 is slidably connected to the second guiding element 113 .

[0125] The base element 131 has a rectangular cross section.

[0126] The size of the base element 131 matches the size of the base element 111. Generally, the length of the base element 131 is smaller than the inner width of the base element 111, the width of the base element 131 is smaller than the inner length of the base element 111, and the height of the base element 131 is smaller than the inner height of the base element 111.

[0127] In some of the embodiments, the base element 131 is made of metal.

[0128] In some of the embodiments, the base element 131 is a bottom plate.

[0129] The cross section of the second connecting element 132 is circular.

[0130] The size of the second connecting element 132 matches the size of the base element 131. Generally, the diameter of the second connecting element 132 is smaller than the length and height of the base element 131, and the axial size of the second connecting element 132 is equal to the width of the base element 131.

[0131] The size of the second connecting element 132 matches the size of the first guiding element 112. Generally, the diameter of the second connecting element 132 is equal to the diameter of the first guiding element 112, and the axial dimension of the second connecting element 132 is smaller than the axial dimension of the first guiding element 112.

[0132] In some of the embodiments, the second connecting element 132 is a first through hole.

[0133] The cross section of the third connecting element 133 is circular.

[0134] The size of the third connecting element 133 matches the size of the base element 131. Generally, the diameter of the third connecting element 133 is smaller than the length and height of the base element 131, and the axial size of the third connecting element 133 is equal to the width of the base element 131.

[0135] The size of the third connecting element 133 matches the size of the second guiding element 113. Generally, the diameter of the third connecting element 133 is equal to the diameter of the second guiding element 113, and the axial size of the third connecting element 133 is smaller than the axial size of the second guiding element 113.

[0136] The size of the third connecting element 133 matches the size of the second connecting element 132. Generally, the diameter of the third connecting element 133 is equal to the diameter of the second connecting element 132, and the axial dimension of the third connecting element 133 is equal to the axial dimension of the second connecting element 132.

[0137] In some of the embodiments, the third connecting element 133 is a second through hole.

[0138] The cross section of the second supporting element 134 is in the shape of an isosceles trapezoid.

[0139] The size of the second support element 134 matches the size of the base element 131. Generally, the length of the bottom of the second support element 134 is smaller than the length of the base element 131, the width of the second support element 134 is smaller than the width of the base element 131, and the height of the second support element 134 is greater than the height of the base element 131.

[0140] In some embodiments, the second support element 134 is fixedly connected to the base element 131 , including but not limited to welding.

[0141] In some embodiments, the second supporting element 134 is made of metal.

[0142] In some embodiments, the second support element 134 is a second support plate.

[0143] like Figure 6 As shown, the control unit 140 includes a second control element 141. The second control element 141 is disposed at the top of the base unit 130 and is connected to the base unit 130 and the second stabilizing unit 150 respectively, and is used to reciprocate along the length direction of the base unit 110 under the action of the base unit 130 and drive the second stabilizing unit 150 to rotate.

[0144] Specifically, the second operating element 141 is disposed at the top of the second supporting element 134 and connected to the second supporting element 134 .

[0145] In some embodiments, the second operating element 141 is fixedly connected to the second supporting element 134 , including but not limited to bolt connection.

[0146] In some embodiments, the second operating element 141 is a motor.

[0147] like Figure 7As shown, the second stabilizing unit 150 includes a second mounting element 151, a second slot element 152, a fourth connecting element 153, a third operating element 154 and a second stabilizing element 155. The second mounting element 151 is movably disposed above the base unit 110 and connected to the output end of the operating unit 140; the second slot element 152 is disposed at the side end of the second mounting element 151 and is detachably connected to the second end of the wiper; the fourth connecting element 153 is disposed on the second mounting element 151 and is in communication with the second slot element 152; the third operating element 154 is rotatably connected to the fourth connecting element 153, the first end of the third operating element 154 is located inside the second slot element 152, and the second end of the third operating element 154 is located outside the second mounting element 151; the second stabilizing element 155 is movably disposed inside the second slot element 152, connected to the first end of the third operating element 154, and abuts against the second end of the wiper to fix the second end of the wiper.

[0148] Specifically, the second mounting element 151 is movably disposed above the base element 111 and is connected to the output end of the second operating element 141 .

[0149] The cross section of the second mounting element 151 is circular.

[0150] The size of the second mounting element 151 matches the size of the first mounting element 122. Generally, the radial size of the second mounting element 151 is equal to the radial size of the first mounting element 122, and the axial size of the second mounting element 151 is equal to the axial size of the first mounting element 122.

[0151] In some embodiments, the second mounting element 151 is fixedly connected to the second operating element 141 , including but not limited to a bolt connection.

[0152] In some of the embodiments, the second installation element 151 is made of metal.

[0153] In some of the embodiments, the second mounting element 151 is a second mounting sleeve.

[0154] The cross section of the second trough member 152 is a regular hexagon.

[0155] The size of the second slot member 152 matches the size of the second mounting member 151. Generally, the radial size of the second slot member 152 is smaller than the radial size of the second mounting member 151, and the axial size of the second slot member 152 is smaller than the axial size of the second mounting member 151.

[0156] The dimensions of the second trough member 152 match the dimensions of the first trough member 123. Generally, the radial dimension of the second trough member 152 is equal to the radial dimension of the first trough member 123, and the axial dimension of the second trough member 152 is equal to the axial dimension of the first trough member 123.

[0157] In some of the embodiments, the second slot member 152 is a second mounting slot.

[0158] The cross section of the fourth connecting element 153 is circular.

[0159] The size of the fourth connecting element 153 matches the size of the second mounting element 151. Generally, the diameter of the fourth connecting element 153 is smaller than the radial size and axial size of the second mounting element 151, and the axial size of the fourth connecting element 153 is smaller than the radial size of the second mounting element 151.

[0160] Specifically, the axial dimension of the fourth connecting element 153 is equal to the maximum inner wall thickness generated by the second mounting element 151 and the second slot element 152 .

[0161] The size of the fourth connecting element 153 matches the size of the first connecting element 124. Generally, the diameter of the fourth connecting element 153 is equal to the diameter of the first connecting element 124, and the axial size of the fourth connecting element 153 is equal to the radial size of the first connecting element 124.

[0162] In some embodiments, the fourth connecting element 153 is a second threaded hole.

[0163] In some embodiments, the third operating element 154 includes a second screw and a second rocker. Specifically, the second screw is connected to the fourth connecting element 153, the first end of the second screw is located inside the second slot element 152 and connected to the second stabilizing element 155, and the second end of the second screw is located outside the second mounting element 151; the second rocker is disposed at the second end of the second screw and connected to the second screw for rotating the second screw.

[0164] The size of the second screw rod matches the size of the fourth connecting element 153. Generally, the diameter of the second screw rod is equal to the diameter of the fourth connecting element 153, and the axial dimension of the second screw rod is greater than the axial dimension of the fourth connecting element 153.

[0165] The size of the second rocking plate matches the size of the second mounting element 151. Generally, the radial size of the outer edge surface of the second rocking plate is not greater than the radial size of the second mounting element 151.

[0166] The size of the second rocking plate matches the size of the second screw rod. Generally, the radial size of the second rocking plate is greater than the diameter of the second screw rod.

[0167] In some embodiments, the third operating element 154 is made of metal.

[0168] The cross section of the second securing element 155 is circular.

[0169] The size of the second stabilizing element 155 matches the size of the second screw rod. Generally, the diameter of the second stabilizing element 155 is larger than the diameter of the second screw rod, and the axial dimension of the second stabilizing element 155 is smaller than the axial dimension of the second screw rod.

[0170] The size of the second stabilizing element 155 matches the size of the second trough element 152. Generally, the diameter of the second stabilizing element 155 is smaller than the radial size and axial size of the second trough element 152, and the axial size of the second stabilizing element 155 is smaller than the radial size of the second trough element 152.

[0171] In some embodiments, the second stabilizing element 155 is fixedly connected to the third operating element 154 , including but not limited to welding.

[0172] In some embodiments, the second stabilizing element 155 is made of metal.

[0173] In some embodiments, the second stabilizing element 155 is a second stabilizing plate.

[0174] like Figure 8 As shown, the torque testing device 100 further includes a first limiting unit 160 and / or a second limiting unit 170. The first limiting unit 160 is movably disposed inside the base unit 110, abuts against the first end of the chassis unit 130, and is movably connected to the base unit 110, for limiting the range of motion of the chassis unit 130; the second limiting unit 170 is movably disposed inside the base unit 110, abuts against the second end of the chassis unit 130, and is movably connected to the base unit 110, for limiting the range of motion of the chassis unit 130.

[0175] like Fig. 9 As shown, the first limiting unit 160 includes a first limiting element 161. The first limiting element 161 is movably disposed inside the base unit 110, abuts against the first end of the bottom frame unit 130, and is movably connected to the base unit 110 to limit the movement range of the bottom frame unit 130.

[0176] Specifically, the first limiting element 161 is rotatably connected to the second guiding element 113 and abuts against the first end of the base element 131 .

[0177] The first limiting element 161 has a hollow structure.

[0178] The size of the first limiting element 161 matches the size of the second guiding element 113. Generally, the inner diameter of the first limiting element 161 is equal to the diameter of the second guiding element 113, and the axial dimension of the first limiting element 161 is smaller than the axial dimension of the second guiding element 113.

[0179] The size of the first limiting element 161 matches the size of the base element 131. Generally, the outer diameter of the first limiting element 161 is greater than the height of the base element 131, and the axial dimension of the first limiting element 161 is smaller than the width of the base element 131.

[0180] The size of the first limiting element 161 matches the size of the base element 111. Generally, the outer diameter of the first limiting element 161 is greater than the inner height of the base element 111, and the axial dimension of the first limiting element 161 is smaller than the inner length of the base element 111.

[0181] In some of the embodiments, the first limiting element 161 is made of metal.

[0182] In some of the embodiments, the first limiting element 161 is a first threaded ring.

[0183] like Fig.10 As shown, the second limiting unit 170 includes a second limiting element 171. The second limiting element 171 is movably disposed inside the base unit 110, abuts against the second end of the bottom frame unit 130, and is movably connected to the base unit 110 to limit the movement range of the bottom frame unit 130.

[0184] Specifically, the second limiting element 171 is rotatably connected to the first guiding element 112 and abuts against the second end of the base element 131 .

[0185] The second limiting element 171 has a hollow structure.

[0186] The size of the second limiting element 171 matches the size of the first guiding element 112. Generally, the inner diameter of the second limiting element 171 is equal to the diameter of the first guiding element 112, and the axial dimension of the second limiting element 171 is smaller than the axial dimension of the first guiding element 112.

[0187] The size of the second limiting element 171 matches the size of the base element 131. Generally, the outer diameter of the second limiting element 171 is greater than the height of the base element 131, and the axial dimension of the second limiting element 171 is smaller than the width of the base element 131.

[0188] The size of the second limiting element 171 matches the size of the base element 111. Generally, the outer diameter of the second limiting element 171 is greater than the inner height of the base element 111, and the axial dimension of the second limiting element 171 is smaller than the inner length of the base element 111.

[0189] The size of the second limiting element 171 matches the size of the first limiting element 161. Generally, the inner diameter and outer diameter of the second limiting element 171 are equal to the inner diameter and outer diameter of the first limiting element 161, and the axial dimension of the second limiting element 171 is equal to the axial dimension of the first limiting element 161.

[0190] In some of the embodiments, the second limiting element 171 is made of metal.

[0191] In some of the embodiments, the second limiting element 171 is a second threaded ring.

[0192] like Fig.11 As shown, the method of using the utility model is as follows:

[0193] (a) Install the first end of the wiper

[0194] Inserting the first end of the wiper blade into the interior of the first groove member 123;

[0195] The first operating element 125 is twisted to rotate along the circumferential direction of the first connecting element 124, and the first operating element 125 drives the first fixing element 126 to gradually approach the first end of the wiper until the first fixing element 126 abuts against the first end of the wiper.

[0196] (II) Adjustment work

[0197] Push the base element 131 to drive the second mounting element 151 to move correspondingly along the axial direction of the first guide element 112 and the second guide element 113, thereby driving the second groove element 152 to insert into the second end of the wiper;

[0198] The first limiting element 161 and the second limiting element 171 are twisted respectively to fix the base element 131 .

[0199] (III) Install the second end of the wiper

[0200] The third operating element 154 is twisted to rotate along the circumferential direction of the fourth connecting element 153, and the second stabilizing element 155 is driven by the third operating element 154 to gradually approach the second end of the wiper until the second stabilizing element 155 abuts against the second end of the wiper.

[0201] (IV) Test work

[0202] The second operating element 141 is activated to drive the second end of the wiper blade to rotate correspondingly via the second mounting element 151;

[0203] The torque value generated is displayed on the torque tester.

[0204] The advantages of the utility model are that the wiper is fixed by the cooperation between the first stabilizing unit and the second stabilizing unit to improve convenience, the distance between the first stabilizing unit and the second stabilizing unit is adjusted by the cooperation between the chassis unit and the base unit to adapt to wipers of different sizes, thereby improving applicability; the chassis unit is fixed by the cooperation between the first limiting unit and the second limiting unit to improve test stability.

[0205] Example 2

[0206] This embodiment relates to a torque testing system of the utility model.

[0207] like Fig.12 As shown, a torque testing system includes the torque testing device 100 and the torque testing equipment 200 as described in Example 1. The torque testing equipment 200 is connected to the control unit 140 of the torque testing device 100 for testing the torque value.

[0208] Specifically, the torque testing device 200 is connected to the second operating element 141 .

[0209] In some of the embodiments, the torque testing device 200 is a torque tester.

[0210] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A torque test device for testing the torque value of a wiper, characterized in that: include: A base unit (110), wherein the base unit (110) is arranged on a horizontal plane; A first stabilizing unit (120), the first stabilizing unit (120) being arranged at the top end of the base unit (110) and being detachably connected to the first end of the wiper, and being used to fix the first end of the wiper; A bottom frame unit (130), the bottom frame unit (130) being movably disposed at the top end of the base unit (110) and movably connected to the base unit (110) and configured to reciprocate along the length direction of the base unit (110); a control unit (140), the control unit (140) being arranged at the top end of the base unit (130) and connected to the base unit (130), and being used for reciprocating along the length direction of the base unit (110) under the action of the base unit (130); A second stabilizing unit (150), the second stabilizing unit (150) is movably arranged above the base unit (110), and is connected to the output end of the control unit (140), and is detachably connected to the second end of the wiper, and is used for reciprocating along the length direction of the base unit (110) under the action of the control unit (140) to adjust the distance between the second stabilizing unit (150) and the first stabilizing unit (120), and for rotating under the action of the control unit (140) to fix the second end of the wiper.

2. The torque testing device according to claim 1, characterized in that: The base unit (110) comprises: A base element (111), wherein the base element (111) is disposed on a horizontal plane and connected to the first stabilizing unit (120); A first guide element (112), the first guide element (112) being arranged inside the base element (111) and connected to the base frame unit (130); A second guide element (113), wherein the second guide element (113) is arranged inside the base element (111), is located at the rear end of the first guide element (112), and is connected to the base frame unit (130).

3. The torque testing device according to claim 1, characterized in that: The first stabilizing unit (120) comprises: A first supporting element (121), the first supporting element (121) being arranged at a top end of the base unit (110) and connected to the base unit (110); A first mounting element (122), the first mounting element (122) being arranged at a side end of the first supporting element (121) and connected to the first supporting element (121); A first groove element (123), the first groove element (123) being arranged at a side end of the first mounting element (122) and being detachably connected to a first end of the wiper; A first connecting element (124), the first connecting element (124) is arranged on the first mounting element (122) and is in communication with the first slot element (123); a first operating element (125), the first operating element (125) being rotatably connected to the first connecting element (124), a first end of the first operating element (125) being located inside the first slot element (123), and a second end of the first operating element (125) being located outside the first mounting element (122); A first stabilizing element (126), wherein the first stabilizing element (126) is movably disposed inside the first groove element (123), connected to the first end of the first operating element (125), and abutted against the first end of the wiper, for fixing the first end of the wiper.

4. The torque testing device according to claim 1, characterized in that: The chassis unit (130) comprises: a base element (131), the base element (131) being movably disposed inside the base unit (110) and configured to reciprocate along a length direction of the base unit (110); a second connecting element (132), the second connecting element (132) being arranged through the base element (131) and being slidably connected to the base unit (110); a third connecting element (133), the third connecting element (133) being arranged through the base element (131) and being slidably connected to the base unit (110); A second supporting element (134), wherein the second supporting element (134) is disposed at the top end of the base element (131) and is respectively connected to the base element (131) and the control unit (140).

5. The torque testing device according to claim 1, characterized in that: The control unit (140) comprises: A second operating element (141), the second operating element (141) is arranged at the top of the base frame unit (130), and is respectively connected to the base frame unit (130) and the second stabilizing unit (150), and is used for reciprocating along the length direction of the base unit (110) under the action of the base frame unit (130) and driving the second stabilizing unit (150) to rotate.

6. The torque testing device according to claim 1, characterized in that: The second stabilizing unit (150) comprises: A second mounting element (151), the second mounting element (151) being movably disposed above the base unit (110) and connected to an output end of the control unit (140); A second groove element (152), the second groove element (152) being arranged at a side end of the second mounting element (151) and being detachably connected to a second end of the wiper; a fourth connecting element (153), the fourth connecting element (153) being arranged on the second mounting element (151) and being in communication with the second slot element (152); a third operating element (154), the third operating element (154) being rotatably connected to the fourth connecting element (153), a first end of the third operating element (154) being located inside the second slot element (152), and a second end of the third operating element (154) being located outside the second mounting element (151); A second stabilizing element (155), wherein the second stabilizing element (155) is movably disposed inside the second groove element (152), connected to the first end of the third operating element (154), and abutted against the second end of the wiper, for fixing the second end of the wiper.

7. The torque testing device according to any one of claims 1 to 6, characterized in that: Also includes: a first limiting unit (160), the first limiting unit (160) being movably arranged inside the base unit (110), abutting against a first end of the chassis unit (130), and movably connected to the base unit (110), for limiting the movement range of the chassis unit (130); and / or A second limiting unit (170), the second limiting unit (170) is movably arranged inside the base unit (110), abuts against the second end of the bottom frame unit (130), and is movably connected to the base unit (110), and is used to limit the movement range of the bottom frame unit (130).

8. The torque testing device according to claim 7, characterized in that: The first limiting unit (160) comprises: A first limiting element (161), wherein the first limiting element (161) is movably arranged inside the base unit (110), abuts against a first end of the chassis unit (130), and is movably connected to the base unit (110), and is used to limit the movement range of the chassis unit (130).

9. The torque testing device according to claim 7, characterized in that: The second limiting unit (170) comprises: A second limiting element (171), the second limiting element (171) is movably arranged inside the base unit (110), abuts against the second end of the chassis unit (130), and is movably connected to the base unit (110), so as to limit the movement range of the chassis unit (130).

10. A torque testing system, characterized in that: include: The torque testing device (100) as claimed in any one of claims 1 to 9; A torque testing device (200), the torque testing device (200) is connected to the control unit (140) of the torque testing device (100) and is used to test the torque value.

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